Integer overflow in GNU Binutils
CVE-2018-6543
In GNU Binutils 2.30, there's an integer overflow in the function load_specific_debug_section() in objdump.c, which results in `malloc()` with 0 size. A crafted ELF file allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.023 (82.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 82.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000
Affected products
- GNU Binutils — versions 2.30
Weakness classification (CWE)
Public proof-of-concept exploits
References
- sourceware.org/bugzilla/show_bug.cgi (Exploit, Third Party Advisory, Issue Tracking)
- security.gentoo.org/glsa/201811-17 (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/bid/102985 (VDB Entry, Third Party Advisory, vdb-entry)
- lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html (vendor-advisory)
Frequently asked questions
- What is CVE-2018-6543?
- CVE-2018-6543 is a high-severity vulnerability in GNU Binutils, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2018-02-02.
- How severe is CVE-2018-6543?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2018-6543 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.