Buffer overflow in Libarchive

CVE-2016-8687

Stack-based buffer overflow in the safe_fprintf function in tar/util.c in libarchive 3.2.1 allows remote attackers to cause a denial of service via a crafted non-printable multibyte character in a filename.

Vulnerability class: Buffer Overflow

EPSS: 0.053 (91.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (mailing-list, x_refsource_MLIST, Patch, Mailing List, Third Party Advisory)
  • cve@mitre.org (mailing-list, x_refsource_MLIST)
  • cve@mitre.org (vendor-advisory, Patch, VDB Entry, Third Party Advisory, x_refsource_GENTOO)
  • cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
  • cve@mitre.org (Patch, VDB Entry, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (x_refsource_CONFIRM, Patch, Issue Tracking)
  • cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_SUSE)
  • cve@mitre.org (vdb-entry, x_refsource_SECTRACK)
  • cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2016-8687?
CVE-2016-8687 is a high-severity vulnerability in Libarchive, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2017-02-15.
How severe is CVE-2016-8687?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2016-8687 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.