CVE-2017-17669 — MEDIUM (5.5)

Vulnerability 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.

CVSS Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Exiv2	Exiv2	0.26
Canonical	Ubuntu Linux	14.04
Debian	Debian Linux	10.0

Related Weaknesses (CWE)

CWE-125

References

https://github.com/Exiv2/exiv2/issues/187ExploitThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/01/msg00004.htmlMailing ListThird Party Advisory
https://usn.ubuntu.com/3852-1/Third Party Advisory
https://github.com/Exiv2/exiv2/issues/187ExploitThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/01/msg00004.htmlMailing ListThird Party Advisory
https://usn.ubuntu.com/3852-1/Third Party Advisory

FAQ

What is CVE-2017-17669?

CVE-2017-17669 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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.

How severe is CVE-2017-17669?

CVE-2017-17669 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-17669?

Check the references section above for vendor advisories and patch information. Affected products include: Exiv2 Exiv2, Canonical Ubuntu Linux, Debian Debian Linux.