Use After Free Affecting binutils package, versions <2.30-21ubuntu1~18.04.3
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.
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Test your applications- Snyk IDSNYK-UBUNTU1804-BINUTILS-561068
- published31 Dec 2018
- disclosed31 Dec 2018
Introduced: 31 Dec 2018
CVE-2018-20623 (opens in a new tab)How to fix?
Upgrade Ubuntu:18.04 binutils to version 2.30-21ubuntu1~18.04.3 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream binutils package and not the binutils package as distributed by Ubuntu.
See How to fix? for Ubuntu:18.04 relevant fixed versions and status.
In GNU Binutils 2.31.1, there is a use-after-free in the error function in elfcomm.c when called from the process_archive function in readelf.c via a crafted ELF file.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-20623
- https://support.f5.com/csp/article/K38336243
- https://security-tracker.debian.org/tracker/CVE-2018-20623
- https://sourceware.org/bugzilla/show_bug.cgi?id=24049
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html
- http://www.securityfocus.com/bid/106370
- https://usn.ubuntu.com/4336-1/