Out-of-bounds Read in Exiv2
CVE-2017-17723
In Exiv2 0.26, there is a heap-based buffer over-read in the Exiv2::Image::byteSwap4 function in image.cpp. Remote attackers can exploit this vulnerability to disclose memory data or cause a denial of service via a crafted TIFF file.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H.
EPSS exploit prediction
EPSS: 0.018 (77.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- Exiv2 — versions 0.26
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.redhat.com/show_bug.cgi (Exploit, Third Party Advisory, Issue Tracking)
- security.gentoo.org/glsa/201811-14 (vendor-advisory)
Frequently asked questions
- What is CVE-2017-17723?
- CVE-2017-17723 is a high-severity vulnerability in Exiv2, classified under Out-of-bounds Read. CVSS score: 8.1/10. Published 2018-02-12.
- How severe is CVE-2017-17723?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2017-17723 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.