Improper input validation in Exiv2
CVE-2018-9145
In the DataBuf class in include/exiv2/types.hpp in Exiv2 0.26, an issue exists in the constructor with an initial buffer size. A large size value may lead to a SIGABRT during an attempt at memory allocation. NOTE: some third parties have been unable to reproduce the SIGABRT when using the 4-DataBuf-abort-1 PoC file.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
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: 0.018 (77.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.019 · newest: 0.018 · change: -0.000
Affected products
- Exiv2 — versions 0.26
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.novell.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- github.com/xiaoqx/pocs/tree/master/exiv2 (Exploit, Third Party Advisory)
- security.gentoo.org/glsa/201811-14 (vendor-advisory, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2018-9145?
- CVE-2018-9145 is a medium-severity vulnerability in Exiv2, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2018-03-30.
- How severe is CVE-2018-9145?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2018-9145 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.