Heap-based Buffer Overflow Affecting elfutils package, versions <0:0.176-2.el7
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-RHEL7-ELFUTILS-4949951
- published26 Jul 2021
- disclosed15 Aug 2018
Introduced: 15 Aug 2018
CVE-2018-16403 (opens in a new tab)How to fix?
Upgrade RHEL:7 elfutils to version 0:0.176-2.el7 or higher.
This issue was patched in RHSA-2019:2197.
NVD Description
Note: Versions mentioned in the description apply only to the upstream elfutils package and not the elfutils package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
libdw in elfutils 0.173 checks the end of the attributes list incorrectly in dwarf_getabbrev in dwarf_getabbrev.c and dwarf_hasattr in dwarf_hasattr.c, leading to a heap-based buffer over-read and an application crash.
References
- https://access.redhat.com/security/cve/CVE-2018-16403
- https://sourceware.org/bugzilla/show_bug.cgi?id=23529
- https://sourceware.org/git/?p=elfutils.git;a=commit;h=6983e59b727458a6c64d9659c85f08218bc4fcda
- https://access.redhat.com/errata/RHSA-2019:2197
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00052.html
- https://usn.ubuntu.com/4012-1/
- https://sourceware.org/git/?p=elfutils.git%3Ba=commit%3Bh=6983e59b727458a6c64d9659c85f08218bc4fcda