CVE-2017-17669medium
Description
There is a heap-based buffer over-read in the Exiv2::Internal::PngChunk::keyTXTChunk function of pngchunk_int.cpp in Exiv2 0.26. A crafted PNG file will lead to a remote denial of service attack.
References
https://github.com/Exiv2/exiv2/issues/187
https://usn.ubuntu.com/3852-1/
https://lists.debian.org/debian-lts-announce/2023/01/msg00004.html
Details
Source: MITRE
Published: 2017-12-13
Updated: 2023-01-13
Type: CWE-125
Risk Information
CVSS v2
Base Score: 4.3
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 8.6
Severity: MEDIUM
CVSS v3
Base Score: 5.5
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 1.8
Severity: MEDIUM