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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.011 (63.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 63.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.011 · change: +0.000
Affected products
- GNU Binutils — versions 2.28
Weakness classification (CWE)
Public proof-of-concept exploits
References
- sourceware.org/bugzilla/show_bug.cgi (Exploit, Issue Tracking)
- security.gentoo.org/glsa/201709-02 (vendor-advisory)
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.