Buffer overflow in Exiv2
CVE-2018-10958
In types.cpp in Exiv2 0.26, a large size value may lead to a SIGABRT during an attempt at memory allocation for an Exiv2::Internal::PngChunk::zlibUncompress call.
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.025 (84.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 84.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: -0.000
Affected products
- Exiv2 — versions 0.26
- Canonical Ubuntu Linux — versions 14.04, 16.04, 17.10
- Debian Linux — versions 8.0, 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- usn.ubuntu.com/3700-1/ (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2018/dsa-4238 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2018/10/msg00012.html (mailing-list, Mailing List, Third Party Advisory)
- security.gentoo.org/glsa/201811-14 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2018/06/msg00010.html (mailing-list, Mailing List, Third Party Advisory)
- github.com/Exiv2/exiv2/issues/302 (Exploit, Third Party Advisory)
- access.redhat.com/errata/RHSA-2019:2101 (vendor-advisory)
Frequently asked questions
- What is CVE-2018-10958?
- CVE-2018-10958 is a medium-severity vulnerability in Exiv2, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.5/10. Published 2018-05-10.
- How severe is CVE-2018-10958?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2018-10958 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.