The t1lib library allows you to rasterize bitmaps from PostScript Type 1 fonts.

Two heap-based buffer overflow flaws were found in the way t1lib processed Adobe Font Metrics (AFM) files. If a specially crafted font file was opened by an application linked against t1lib, it could cause the application to crash or, potentially, execute arbitrary code with the privileges of the user running the application. (CVE-2010-2642, CVE-2011-0433)

An invalid pointer dereference flaw was found in t1lib. A specially crafted font file could, when opened, cause an application linked against t1lib to crash or, potentially, execute arbitrary code with the privileges of the user running the application. (CVE-2011-0764)

A use-after-free flaw was found in t1lib. A specially crafted font file could, when opened, cause an application linked against t1lib to crash or, potentially, execute arbitrary code with the privileges of the user running the application. (CVE-2011-1553)

An off-by-one flaw was found in t1lib. A specially crafted font file could, when opened, cause an application linked against t1lib to crash or, potentially, execute arbitrary code with the privileges of the user running the application. (CVE-2011-1554)

An out-of-bounds memory read flaw was found in t1lib. A specially crafted font file could, when opened, cause an application linked against t1lib to crash. (CVE-2011-1552)

All users of t1lib are advised to upgrade to these updated packages, which contain backported patches to correct these issues. All applications linked against t1lib must be restarted for this update to take effect.

The remote Oracle Linux 5 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2012-1201 advisory.

    - more robust fix for CVE-2010-3702 (#773178)
    - apply patch for CVE-2010-3702,3704 (#773180)

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Updated t1lib packages that fix multiple security issues are now available for Red Hat Enterprise Linux 6.

The Red Hat Security Response Team has rated this update as having moderate security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.

The t1lib library allows you to rasterize bitmaps from PostScript Type 1 fonts.

Two heap-based buffer overflow flaws were found in the way t1lib processed Adobe Font Metrics (AFM) files. If a specially crafted font file was opened by an application linked against t1lib, it could cause the application to crash or, potentially, execute arbitrary code with the privileges of the user running the application. (CVE-2010-2642, CVE-2011-0433)

An invalid pointer dereference flaw was found in t1lib. A specially crafted font file could, when opened, cause an application linked against t1lib to crash or, potentially, execute arbitrary code with the privileges of the user running the application. (CVE-2011-0764)

A use-after-free flaw was found in t1lib. A specially crafted font file could, when opened, cause an application linked against t1lib to crash or, potentially, execute arbitrary code with the privileges of the user running the application. (CVE-2011-1553)

An off-by-one flaw was found in t1lib. A specially crafted font file could, when opened, cause an application linked against t1lib to crash or, potentially, execute arbitrary code with the privileges of the user running the application. (CVE-2011-1554)

An out-of-bounds memory read flaw was found in t1lib. A specially crafted font file could, when opened, cause an application linked against t1lib to crash. (CVE-2011-1552)

Red Hat would like to thank the Evince development team for reporting CVE-2010-2642. Upstream acknowledges Jon Larimer of IBM X-Force as the original reporter of CVE-2010-2642.

All users of t1lib are advised to upgrade to these updated packages, which contain backported patches to correct these issues. All applications linked against t1lib must be restarted for this update to take effect.

It was discovered that Evince did not properly parse AFM font files when processing DVI files. If a user were tricked into opening a specially crafted DVI file, an attacker could cause Evince to crash or potentially execute arbitrary code with the privileges of the user invoking the program.

In the default installation, attackers would be isolated by the Evince AppArmor profile.

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update fixes several security flaws in t1lib (flaws in AFM parser and when handling specially crafted Type1 fonts).

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote MiracleLinux 4 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2012-77:01 advisory.

    T1lib is a rasterizer library for Adobe Type 1 Fonts. It supports rotation and transformation, kerning     underlining and antialiasing. It does not depend on X11, but does provides some special functions for X11.
    AFM-files can be generated from Type 1 font files and font subsetting is possible.
    Security issues fixed with this release:
    CVE-2010-2642     Heap-based buffer overflow in the AFM font parser in the dvi-backend component in Evince 2.32 and earlier,     teTeX 3.0, t1lib 5.1.2, and possibly other products allows remote attackers to cause a denial of service     (application crash) or possibly execute arbitrary code via a crafted font in conjunction with a DVI file     that is processed by the thumbnailer.
    CVE-2011-0433     No information available at the time of writing, see the link below.
    CVE-2011-0764     t1lib 5.1.2 and earlier, as used in Xpdf before 3.02pl6 and other products, uses an invalid pointer in     conjunction with a dereference operation, which allows remote attackers to execute arbitrary code via a     crafted Type 1 font in a PDF document, as demonstrated by testz.2184122398.pdf.
    CVE-2011-1552     t1lib 5.1.2 and earlier, as used in Xpdf before 3.02pl6 and other products, reads from invalid memory     locations, which allows remote attackers to cause a denial of service (application crash) via a crafted     Type 1 font in a PDF document, a different vulnerability than CVE-2011-0764.
    CVE-2011-1553     Use-after-free vulnerability in t1lib 5.1.2 and earlier, as used in Xpdf before 3.02pl6 and other     products, allows remote attackers to cause a denial of service (application crash) via a PDF document     containing a crafted Type 1 font that triggers an invalid memory write, a different vulnerability than     CVE-2011-0764.
    CVE-2011-1554     Off-by-one error in t1lib 5.1.2 and earlier, as used in Xpdf before 3.02pl6 and other products, allows     remote attackers to cause a denial of service (application crash) via a PDF document containing a crafted     Type 1 font that triggers an invalid memory read, integer overflow, and invalid pointer dereference, a     different vulnerability than CVE-2011-0764.

Tenable has extracted the preceding description block directly from the MiracleLinux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote MiracleLinux 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2012-203:01 advisory.

    TeXLive is an implementation of TeX for Linux or UNIX systems. TeX takes a text file and a set of     formatting commands as input and creates a printable file as output. Usually, TeX is used in conjunction     with a higher level formatting package like LaTeX or PlainTeX, since TeX by itself is not very user-     friendly.
    Install texlive if you want to use the TeX text formatting system. Consider to install texlive-latex (a     higher level formatting package which provides an easier-to-use interface for TeX).
    The TeX documentation is located in the texlive-doc package.
    Security issues fixed with this release:
    CVE-2010-2642     Heap-based buffer overflow in the AFM font parser in the dvi-backend component in Evince 2.32 and earlier,     teTeX 3.0, t1lib 5.1.2, and possibly other products allows remote attackers to cause a denial of service     (application crash) or possibly execute arbitrary code via a crafted font in conjunction with a DVI file     that is processed by the thumbnailer.
    CVE-2011-0433     No description available, see the CVE links below.
    CVE-2011-0764     t1lib 5.1.2 and earlier, as used in Xpdf before 3.02pl6 and other products, uses an invalid pointer in     conjunction with a dereference operation, which allows remote attackers to execute arbitrary code via a     crafted Type 1 font in a PDF document, as demonstrated by testz.2184122398.pdf.
    CVE-2011-1552     t1lib 5.1.2 and earlier, as used in Xpdf before 3.02pl6 and other products, reads from invalid memory     locations, which allows remote attackers to cause a denial of service (application crash) via a crafted     Type 1 font in a PDF document, a different vulnerability than CVE-2011-0764.
    CVE-2011-1553     Use-after-free vulnerability in t1lib 5.1.2 and earlier, as used in Xpdf before 3.02pl6 and other     products, allows remote attackers to cause a denial of service (application crash) via a PDF document     containing a crafted Type 1 font that triggers an invalid memory write, a different vulnerability than     CVE-2011-0764.
    CVE-2011-1554     Off-by-one error in t1lib 5.1.2 and earlier, as used in Xpdf before 3.02pl6 and other products, allows     remote attackers to cause a denial of service (application crash) via a PDF document containing a crafted     Type 1 font that triggers an invalid memory read, integer overflow, and invalid pointer dereference, a     different vulnerability than CVE-2011-0764.

Tenable has extracted the preceding description block directly from the MiracleLinux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2012-0137 advisory.

    [2007-57]
    - fix CVE-2010-2642 CVE-2011-0433 CVE-2011-0764 CVE-2011-1552       CVE-2011-1553 CVE-2011-1554, texlive various flaws (#773183)

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Updated tetex packages that fix multiple security issues are now available for Red Hat Enterprise Linux 5.

The Red Hat Security Response Team has rated this update as having moderate security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.

teTeX is an implementation of TeX. TeX takes a text file and a set of formatting commands as input, and creates a typesetter-independent DeVice Independent (DVI) file as output.

teTeX embeds a copy of t1lib to rasterize bitmaps from PostScript Type 1 fonts. The following issues affect t1lib code :

Two heap-based buffer overflow flaws were found in the way t1lib processed Adobe Font Metrics (AFM) files. If a specially crafted font file was opened by teTeX, it could cause teTeX to crash or, potentially, execute arbitrary code with the privileges of the user running teTeX. (CVE-2010-2642, CVE-2011-0433)

An invalid pointer dereference flaw was found in t1lib. A specially crafted font file could, when opened, cause teTeX to crash or, potentially, execute arbitrary code with the privileges of the user running teTeX. (CVE-2011-0764)

A use-after-free flaw was found in t1lib. A specially crafted font file could, when opened, cause teTeX to crash or, potentially, execute arbitrary code with the privileges of the user running teTeX.
(CVE-2011-1553)

An off-by-one flaw was found in t1lib. A specially crafted font file could, when opened, cause teTeX to crash or, potentially, execute arbitrary code with the privileges of the user running teTeX.
(CVE-2011-1554)

An out-of-bounds memory read flaw was found in t1lib. A specially crafted font file could, when opened, cause teTeX to crash.
(CVE-2011-1552)

teTeX embeds a copy of Xpdf, an open source Portable Document Format (PDF) file viewer, to allow adding images in PDF format to the generated PDF documents. The following issues affect Xpdf code :

An uninitialized pointer use flaw was discovered in Xpdf. If pdflatex was used to process a TeX document referencing a specially crafted PDF file, it could cause pdflatex to crash or, potentially, execute arbitrary code with the privileges of the user running pdflatex.
(CVE-2010-3702)

An array index error was found in the way Xpdf parsed PostScript Type 1 fonts embedded in PDF documents. If pdflatex was used to process a TeX document referencing a specially crafted PDF file, it could cause pdflatex to crash or, potentially, execute arbitrary code with the privileges of the user running pdflatex. (CVE-2010-3704)

Red Hat would like to thank the Evince development team for reporting CVE-2010-2642. Upstream acknowledges Jon Larimer of IBM X-Force as the original reporter of CVE-2010-2642.

All users of tetex are advised to upgrade to these updated packages, which contain backported patches to correct these issues.

This update of t1lib fixes memory corruptions and a heap-based overflow in the afm font parser.

This update of evince fixes a buffer overflow in linetoken().
(CVE-2011-0433)

Multiple vulnerabilities has been found and corrected in t1lib :

A heap-based buffer overflow flaw was found in the way AFM font file parser, used for rendering of DVI files, in GNOME evince document viewer and other products, processed line tokens from the given input stream. A remote attacker could provide a DVI file, with embedded specially crafted font file, and trick the local user to open it with an application using the AFM font parser, leading to that particular application crash or, potentially, arbitrary code execution with the privileges of the user running the application. Different vulnerability than CVE-2010-2642 (CVE-2011-0433).

t1lib 5.1.2 and earlier reads from invalid memory locations, which allows remote attackers to cause a denial of service (application crash) via a crafted Type 1 font in a PDF document, a different vulnerability than CVE-2011-0764 (CVE-2011-1552).

Use-after-free vulnerability in t1lib 5.1.2 and earlier allows remote attackers to cause a denial of service (application crash) via a PDF document containing a crafted Type 1 font that triggers an invalid memory write, a different vulnerability than CVE-2011-0764 (CVE-2011-1553).

Off-by-one error in t1lib 5.1.2 and earlier allows remote attackers to cause a denial of service (application crash) via a PDF document containing a crafted Type 1 font that triggers an invalid memory read, integer overflow, and invalid pointer dereference, a different vulnerability than CVE-2011-0764 (CVE-2011-1554).

The updated packages have been patched to correct these issues.

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2012:0137 advisory.

    TeX Live is an implementation of TeX. TeX takes a text file and a set of     formatting commands as input, and creates a typesetter-independent DeVice     Independent (DVI) file as output. The texlive packages provide a number of     utilities, including dvips.

    TeX Live embeds a copy of t1lib. The t1lib library allows you to rasterize     bitmaps from PostScript Type 1 fonts. The following issues affect t1lib     code:

    Two heap-based buffer overflow flaws were found in the way t1lib processed     Adobe Font Metrics (AFM) files. If a specially-crafted font file was opened     by a TeX Live utility, it could cause the utility to crash or, potentially,     execute arbitrary code with the privileges of the user running the utility.
    (CVE-2010-2642, CVE-2011-0433)

    An invalid pointer dereference flaw was found in t1lib. A specially-crafted     font file could, when opened, cause a TeX Live utility to crash or,     potentially, execute arbitrary code with the privileges of the user running     the utility. (CVE-2011-0764)

    A use-after-free flaw was found in t1lib. A specially-crafted font file     could, when opened, cause a TeX Live utility to crash or, potentially,     execute arbitrary code with the privileges of the user running the utility.
    (CVE-2011-1553)

    An off-by-one flaw was found in t1lib. A specially-crafted font file could,     when opened, cause a TeX Live utility to crash or, potentially, execute     arbitrary code with the privileges of the user running the utility.
    (CVE-2011-1554)

    An out-of-bounds memory read flaw was found in t1lib. A specially-crafted     font file could, when opened, cause a TeX Live utility to crash.
    (CVE-2011-1552)

    Red Hat would like to thank the Evince development team for reporting     CVE-2010-2642. Upstream acknowledges Jon Larimer of IBM X-Force as the     original reporter of CVE-2010-2642.

    All users of texlive are advised to upgrade to these updated packages,     which contain backported patches to correct these issues.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
61226	Scientific Linux Security Update : t1lib on SL6.x i386/x86_64 (20120124)	Nessus	Scientific Linux Local Security Checks	2012/8/1	2021/1/14	high
68602	Oracle Linux 5 : tetex (ELSA-2012-1201)	Nessus	Oracle Linux Local Security Checks	2013/7/12	2025/4/29	medium
57679	RHEL 6 : t1lib (RHSA-2012:0062)	Nessus	Red Hat Local Security Checks	2012/1/25	2021/1/14	high
57698	Ubuntu 10.04 LTS / 10.10 / 11.04 : evince vulnerability (USN-1347-1)	Nessus	Ubuntu Local Security Checks	2012/1/26	2019/9/19	medium
57716	Fedora 16 : t1lib-5.1.2-9.fc16 (2012-0289)	Nessus	Fedora Local Security Checks	2012/1/30	2021/1/11	high
283967	MiracleLinux 4 : t1lib-5.1.2-6.AXS4.1 (AXSA:2012-77:01)	Nessus	Miracle Linux Local Security Checks	2026/1/14	2026/1/14	medium
284117	MiracleLinux 4 : texlive-2007-57.AXS4 (AXSA:2012-203:01)	Nessus	Miracle Linux Local Security Checks	2026/1/14	2026/1/14	medium
68461	Oracle Linux 6 : texlive (ELSA-2012-0137)	Nessus	Oracle Linux Local Security Checks	2013/7/12	2025/4/29	medium
61651	CentOS 5 : tetex (CESA-2012:1201)	Nessus	CentOS Local Security Checks	2012/8/24	2021/1/4	high
64228	SuSE 11.1 Security Update : t1lib (SAT Patch Number 6195)	Nessus	SuSE Local Security Checks	2013/1/25	2021/1/19	medium
57185	SuSE 10 Security Update : evince (ZYPP Patch Number 7409)	Nessus	SuSE Local Security Checks	2011/12/13	2021/1/19	medium
57530	Mandriva Linux Security Advisory : t1lib (MDVSA-2012:004)	Nessus	Mandriva Local Security Checks	2012/1/13	2021/1/6	medium
57715	Fedora 15 : t1lib-5.1.2-9.fc15 (2012-0266)	Nessus	Fedora Local Security Checks	2012/1/30	2021/1/11	high
57969	RHEL 6 : texlive (RHSA-2012:0137)	Nessus	Red Hat Local Security Checks	2012/2/16	2025/4/15	medium
53283	SuSE 11.1 Security Update : evince (SAT Patch Number 3998)	Nessus	SuSE Local Security Checks	2011/4/4	2021/1/19	medium
53286	SuSE 10 Security Update : evince (ZYPP Patch Number 7346)	Nessus	SuSE Local Security Checks	2011/4/4	2021/1/19	medium

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