CVE-2017-17669

medium

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