Integer overflow in Libarchive

CVE-2015-8933

Integer overflow in the archive_read_format_tar_skip function in archive_read_support_format_tar.c in libarchive before 3.2.0 allows remote attackers to cause a denial of service (crash) via a crafted tar file.

Vulnerability class: Integer Overflow

EPSS: 0.020 (79.0th 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

Weakness classification (CWE)

Public proof-of-concept exploits

References

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

Frequently asked questions

What is CVE-2015-8933?
CVE-2015-8933 is a medium-severity vulnerability in Libarchive, classified under Integer Overflow or Wraparound. CVSS score: 5.5/10. Published 2016-09-20.
How severe is CVE-2015-8933?
Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2015-8933 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.