perldelta :

CVE-2018-6797: heap-buffer-overflow (WRITE of size 1) in S_regatom (regcomp.c)

A crafted regular expression could cause a heap buffer write overflow, with control over the bytes written. [perl #132227]

CVE-2018-6798: Heap-buffer-overflow in Perl__byte_dump_string (utf8.c)

Matching a crafted locale dependent regular expression could cause a heap buffer read overflow and potentially information disclosure.
[perl #132063]

CVE-2018-6913: heap-buffer-overflow in S_pack_rec

pack() could cause a heap buffer write overflow with a large item count. [perl #131844]

This release provides Perl 5.24.4 that fixes a heap buffer overflow in the pack() function and two overflows in the regular expression engine.

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

This update for perl fixes the following issues: These security issue were fixed :

  - CVE-2018-6913: Fixed space calculation issues in     pp_pack.c (bsc#1082216).

  - CVE-2018-6798: Fixed heap buffer overflow in regexec.c     (bsc#1082233).

  - CVE-2018-6797: Fixed sharp-s regexp overflow     (bsc#1082234).

  - CVE-2018-12015: The Archive::Tar module allowed remote     attackers to bypass a directory-traversal protection     mechanism and overwrite arbitrary files (bsc#1096718)

The update package also includes non-security fixes. See advisory for details.

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

This update for perl fixes the following issues :

These security issue were fixed :

CVE-2018-6913: Fixed space calculation issues in pp_pack.c (bsc#1082216).

CVE-2018-6798: Fixed heap buffer overflow in regexec.c (bsc#1082233).

CVE-2018-6797: Fixed sharp-s regexp overflow (bsc#1082234).

CVE-2018-12015: The Archive::Tar module allowed remote attackers to bypass a directory-traversal protection mechanism and overwrite arbitrary files (bsc#1096718)

The update package also includes non-security fixes. See advisory for details.

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

The remote host is affected by the vulnerability described in GLSA-201909-01 (Perl: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in Perl. Please review the       CVE identifiers referenced below for details.
  Impact :

    Please review the referenced CVE identifiers for details.
  Workaround :

    There is no known workaround at this time.

According to the versions of the perl packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - Heap-based buffer overflow in the pack function in Perl     before 5.26.2 allows context-dependent attackers to     execute arbitrary code via a large item     count.(CVE-2018-6913)

  - regcomp.c in Perl before 5.30.3 allows a buffer     overflow via a crafted regular expression because of     recursive S_study_chunk calls.(CVE-2020-12723)

  - Perl before 5.30.3 on 32-bit platforms allows a     heap-based buffer overflow because nested regular     expression quantifiers have an integer     overflow.(CVE-2020-10543)

  - Perl before 5.30.3 has an integer overflow related to     mishandling of a 'PL_regkind[OP(n)] == NOTHING'     situation. A crafted regular expression could lead to     malformed bytecode with a possibility of instruction     injection.(CVE-2020-10878)

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

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2024:1630-1 advisory.

  - Race condition in the rmtree and remove_tree functions in the File-Path module before 2.13 for Perl allows     attackers to set the mode on arbitrary files via vectors involving directory-permission loosening logic.
    (CVE-2017-6512)

  - An issue was discovered in Perl 5.22 through 5.26. Matching a crafted locale dependent regular expression     can cause a heap-based buffer over-read and potentially information disclosure. (CVE-2018-6798)

  - Heap-based buffer overflow in the pack function in Perl before 5.26.2 allows context-dependent attackers     to execute arbitrary code via a large item count. (CVE-2018-6913)

  - CPAN.pm before 2.35 does not verify TLS certificates when downloading distributions over HTTPS.
    (CVE-2023-31484)

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

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Heap-based buffer overflow in the pack function in Perl before 5.26.2 allows context-dependent attackers     to execute arbitrary code via a large item count. (CVE-2018-6913)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote NewStart CGSL host, running version MAIN 6.06 (SP), has perl packages installed that are affected by multiple vulnerabilities:

  - Heap-based buffer overflow in the pack function in Perl before 5.26.2 allows context-dependent attackers     to execute arbitrary code via a large item count. (CVE-2018-6913)

  - Directory traversal vulnerability in the Archive::Tar Perl module 1.36 and earlier allows user-assisted     remote attackers to overwrite arbitrary files via a TAR archive that contains a file whose name is an     absolute path or has .. sequences. (CVE-2007-4829)

  - The rmtree function in lib/File/Path.pm in Perl 5.10 does not properly check permissions before performing     a chmod, which allows local users to modify the permissions of arbitrary files via a symlink attack, a     different vulnerability than CVE-2005-0448 and CVE-2004-0452. (CVE-2008-2827)

  - Perl 5.10.1 allows context-dependent attackers to cause a denial of service (application crash) via a     UTF-8 character with a large, invalid codepoint, which is not properly handled during a regular-expression     match. (CVE-2009-3626)

  - The bsd_glob function in the File::Glob module for Perl before 5.14.2 allows context-dependent attackers     to cause a denial of service (crash) via a glob expression with the GLOB_ALTDIRFUNC flag, which triggers     an uninitialized pointer dereference. (CVE-2011-2728)

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

The remote Ubuntu 14.04 LTS / 16.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3625-1 advisory.

    It was discovered that Perl incorrectly handled certain regular expressions. An attacker could possibly     use this issue to cause Perl to hang, resulting in a denial of service. This issue only affected Ubuntu     14.04 LTS. (CVE-2015-8853)

    It was discovered that Perl incorrectly loaded libraries from the current working directory. A local     attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 14.04     LTS and Ubuntu 16.04 LTS. (CVE-2016-6185)

    It was discovered that Perl incorrectly handled the rmtree and remove_tree functions. A local attacker     could possibly use this issue to set the mode on arbitrary files. This issue only affected Ubuntu 14.04     LTS and Ubuntu 16.04 LTS. (CVE-2017-6512)

    Brian Carpenter discovered that Perl incorrectly handled certain regular expressions. An attacker could     use this issue to cause Perl to crash, resulting in a denial of service, or possibly execute arbitrary     code. This issue has only been addressed in Ubuntu 16.04 LTS and Ubuntu 17.10. (CVE-2018-6797)

    Nguyen Duc Manh discovered that Perl incorrectly handled certain regular expressions. An attacker could     use this issue to cause Perl to crash, resulting in a denial of service. This issue only affected Ubuntu     16.04 LTS and Ubuntu 17.10. (CVE-2018-6798)

    GwanYeong Kim discovered that Perl incorrectly handled certain data when using the pack function. An     attacker could use this issue to cause Perl to crash, resulting in a denial of service, or possibly     execute arbitrary code. (CVE-2018-6913)

Tenable has extracted the preceding description block directly from the Ubuntu 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 host is running Mac OS X 10.11.6 or Mac OS X 10.12.6 and is missing a security update. It is therefore, affected by multiple vulnerabilities.

According to the version of the perl packages installed, the EulerOS installation on the remote host is affected by the following vulnerability :

  - Heap-based buffer overflow in the pack function in Perl     before 5.26.2 allows context-dependent attackers to     execute arbitrary code via a large item     count.(CVE-2018-6913)

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

GwanYeong Kim reported that 'pack()' could cause a heap buffer write overflow with a large item count.

For Debian 7 'Wheezy', these problems have been fixed in version 5.14.2-21+deb7u6.

We recommend that you upgrade your perl packages.

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

This release provides Perl 5.26.2 that fixes a heap buffer overflow in the pack() function and two overflows in regular expression engine.

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

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
109051	FreeBSD : perl -- multiple vulnerabilities (41c96ffd-29a6-4dcc-9a88-65f5038fa6eb)	Nessus	FreeBSD Local Security Checks	2018/4/16	2024/11/4	critical
109350	Fedora 26 : 1:perl-Module-CoreList / 4:perl (2018-0050f7c0d1)	Nessus	Fedora Local Security Checks	2018/4/26	2024/10/24	critical
111150	SUSE SLED12 / SLES12 Security Update : perl (SUSE-SU-2018:1972-1)	Nessus	SuSE Local Security Checks	2018/7/18	2024/9/4	critical
118275	SUSE SLES12 Security Update : perl (SUSE-SU-2018:1972-2)	Nessus	SuSE Local Security Checks	2018/10/22	2024/7/30	critical
128590	GLSA-201909-01 : Perl: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	2019/9/9	2024/4/26	critical
142313	EulerOS 2.0 SP2 : perl (EulerOS-SA-2020-2380)	Nessus	Huawei Local Security Checks	2020/11/3	2022/12/5	critical
197050	SUSE SLES15 Security Update : perl (SUSE-SU-2024:1630-1)	Nessus	SuSE Local Security Checks	2024/5/15	2024/5/15	critical
221888	Linux Distros Unpatched Vulnerability : CVE-2018-6913	Nessus	Misc.	2025/3/4	2025/9/4	critical
301232	NewStart CGSL MAIN 6.06 (SP) : perl Multiple Vulnerabilities (NS-SA-2026-0016)	Nessus	NewStart CGSL Local Security Checks	2026/3/6	2026/3/9	critical
109086	Ubuntu 14.04 LTS / 16.04 LTS : Perl vulnerabilities (USN-3625-1)	Nessus	Ubuntu Local Security Checks	2018/4/17	2025/9/3	critical
111136	macOS and Mac OS X Multiple Vulnerabilities (Security Update 2018-004)	Nessus	MacOS X Local Security Checks	2018/7/17	2024/9/4	critical
135550	EulerOS 2.0 SP3 : perl (EulerOS-SA-2020-1421)	Nessus	Huawei Local Security Checks	2020/4/15	2024/3/18	critical
109043	Debian DLA-1345-1 : perl security update	Nessus	Debian Local Security Checks	2018/4/16	2024/11/7	critical
109221	Fedora 27 : 1:perl-Module-CoreList / 4:perl (2018-1c8b49fbc7)	Nessus	Fedora Local Security Checks	2018/4/23	2024/10/29	critical
120813	Fedora 28 : 4:perl (2018-d1ba58394e)	Nessus	Fedora Local Security Checks	2019/1/3	2024/6/28	critical

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