The remote Oracle Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2011-0842 advisory.

    [1.4.6.0.1.el6_1.1]
    - remove doc/SystemTap_Beginners_Guide/en-US in tarball
    - comment bz683569.patch in specfile

    [1.3-4.1]
    - bz702687 (patch)

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.

The remote MiracleLinux 3 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2011-223:01 advisory.

    SystemTap is an instrumentation system for systems running Linux 2.6. Developers can write instrumentation     to collect data on the operation of the system.
    Security issues fixed with this release:
    CVE-2011-1769No information available at the time of writing, please refer to the CVE link below.

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

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

Two divide-by-zero flaws were found in the way systemtap interpreted certain corrupted DWARF expressions. A privileged user able to execute arbitrary systemtap scripts could be tricked into triggering this flaw to crash the target machine. An unprivileged user (in the stapusr group) may be able to trigger this flaw to crash the target machine, only if unprivileged mode was enabled by the system administrator.

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.

Updated systemtap packages that fix two 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.

SystemTap is an instrumentation system for systems running the Linux kernel, version 2.6. Developers can write scripts to collect data on the operation of the system.

Two divide-by-zero flaws were found in the way SystemTap handled malformed debugging information in DWARF format. When SystemTap unprivileged mode was enabled, an unprivileged user in the stapusr group could use these flaws to crash the system. Additionally, a privileged user (root, or a member of the stapdev group) could trigger these flaws when tricked into instrumenting a specially crafted ELF binary, even when unprivileged mode was not enabled. (CVE-2011-1769, CVE-2011-1781)

SystemTap users should upgrade to these updated packages, which contain a backported patch to correct these issues.

Multiple vulnerabilities has been discovered and corrected in systemtap :

SystemTap 1.4 and earlier, when unprivileged (aka stapusr) mode is enabled, allows local users to cause a denial of service (divide-by-zero error and OOPS) via a crafted ELF program with DWARF expressions that are not properly handled by a stap script that performs context variable access (CVE-2011-1769).

SystemTap 1.4, when unprivileged (aka stapusr) mode is enabled, allows local users to cause a denial of service (divide-by-zero error and OOPS) via a crafted ELF program with DWARF expressions that are not properly handled by a stap script that performs stack unwinding (aka backtracing) (CVE-2011-1781).

The updated packages have been patched to correct these issues.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
68282	Oracle Linux 6 : systemtap (ELSA-2011-0842)	Nessus	Oracle Linux Local Security Checks	2013/7/12	2024/10/22	medium
283997	MiracleLinux 3 : systemtap-1.3-4.AXS3.1 (AXSA:2011-223:01)	Nessus	Miracle Linux Local Security Checks	2026/1/14	2026/1/14	medium
54837	Fedora 15 : systemtap-1.4-9.fc15 (2011-7314)	Nessus	Fedora Local Security Checks	2011/5/27	2021/1/11	low
54930	RHEL 6 : systemtap (RHSA-2011:0842)	Nessus	Red Hat Local Security Checks	2011/6/1	2021/1/14	low
61932	Mandriva Linux Security Advisory : systemtap (MDVSA-2011:155)	Nessus	Mandriva Local Security Checks	2012/9/6	2021/1/6	low
54835	Fedora 13 : systemtap-1.4-6.fc13 (2011-7289)	Nessus	Fedora Local Security Checks	2011/5/27	2021/1/11	high

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