Integer overflow in Exiv2

CVE-2017-17725

In Exiv2 0.26, there is an integer overflow leading to a heap-based buffer over-read in the Exiv2::getULong function in types.cpp. Remote attackers can exploit the vulnerability to cause a denial of service via a crafted image file. Note that this vulnerability is different from CVE-2017-14864, which is an invalid memory address dereference.

Vulnerability class: Integer Overflow

EPSS: 0.018 (76.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

  • Exiv2 — versions 0.26
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (Exploit, x_refsource_MISC, Issue Tracking)
  • cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2017-17725?
CVE-2017-17725 is a medium-severity vulnerability in Exiv2, classified under Integer Overflow or Wraparound. CVSS score: 6.5/10. Published 2018-02-12.
How severe is CVE-2017-17725?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2017-17725 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.