critical
9.8
CWE
415
Advisory Published
Updated

CVE-2018-16402: Double Free

First published: Mon Sep 03 2018(Updated: )

Elfutils through version 0.173 is vulnerable to a double-free in the libelf/elf_end.c:elf_end() function due to the decompression of section data multiple times.. An attacker could exploit this to cause a crash or possibly have unspecified other impact via a crafted ELF. Upstream Bug: <a href="https://sourceware.org/bugzilla/show_bug.cgi?id=23528">https://sourceware.org/bugzilla/show_bug.cgi?id=23528</a> Upstream Patch: <a href="https://sourceware.org/git/?p=elfutils.git;a=patch;h=56b18521fb8d46d40fc090c0de9d11a08bc982fa">https://sourceware.org/git/?p=elfutils.git;a=patch;h=56b18521fb8d46d40fc090c0de9d11a08bc982fa</a>

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
debian/elfutils
0.183-1
0.188-2.1
0.192-4
CentOS Elfutils=0.173
Debian=9.0
Red Hat Enterprise Linux Desktop=7.0
Red Hat Enterprise Linux Server=7.0
Red Hat Enterprise Linux Workstation=7.0
SUSE Linux=15.0
SUSE Linux=15.1
Ubuntu=16.04
Ubuntu=18.04
Ubuntu=18.10

Remedy

https://sourceware.org/git/?p=elfutils.git;a=commit;h=56b18521fb8d46d40fc090c0de9d11a08bc982fa

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2018-16402?

    CVE-2018-16402 has a medium severity rating due to the potential for a crash or other unspecified impacts.

  • How do I fix CVE-2018-16402?

    To fix CVE-2018-16402, upgrade to elfutils version 0.183-1 or later.

  • Which software versions are affected by CVE-2018-16402?

    CVE-2018-16402 affects elfutils through version 0.173.

  • Can CVE-2018-16402 be exploited remotely?

    CVE-2018-16402 could potentially be exploited via crafted ELF files, which may be processed by vulnerable systems.

  • What systems are vulnerable to CVE-2018-16402?

    Vulnerable systems include Debian 9.0, Red Hat Enterprise Linux 7.0, openSUSE Leap 15.0 and 15.1, and Ubuntu 16.04, 18.04, and 18.10.

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