CVE-2020-13112 — An issue was discovered in libexif before 0

An issue was discovered in libexif before 0.6.22. Several buffer over-reads in EXIF MakerNote handling could lead to information disclosure and crashes. This is different from CVE-2020-0093.

01What is this vulnerability?

An issue was discovered in libexif before 0.6.22. Several buffer over-reads in EXIF MakerNote handling could lead to information disclosure and crashes. This is different from CVE-2020-0093.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

08Timeline

• Published: 2020-05-21T15:56:28.000Z
• Last modified: 2024-08-04T12:11:19.027Z

09References

• github.com — https://github.com/libexif/libexif/commit/435e21f05001fb03f9f186fa7cbc69454afd00…
• lists.debian.org — https://lists.debian.org/debian-lts-announce/2020/05/msg00025.html
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00017.html
• usn.ubuntu.com — https://usn.ubuntu.com/4396-1/
• security.gentoo.org — https://security.gentoo.org/glsa/202007-05