Use After Free in GNU Binutils
CVE-2017-6966
readelf in GNU Binutils 2.28 has a use-after-free (specifically read-after-free) error while processing multiple, relocated sections in an MSP430 binary. This is caused by mishandling of an invalid symbol index, and mishandling of state across invocations.
Vulnerability class: Use-After-Free
EPSS: 0.010 (60.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Gnu Binutils — versions 2.28
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_CONFIRM, Exploit, Issue Tracking)
- cve@mitre.org (vendor-advisory, x_refsource_GENTOO)
Frequently asked questions
- What is CVE-2017-6966?
- CVE-2017-6966 is a medium-severity vulnerability in GNU Binutils, classified under Use After Free. CVSS score: 5.5/10. Published 2017-03-17.
- How severe is CVE-2017-6966?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2017-6966 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.