CVE-2019-20421

moderate-risk
Published 2020-01-27

In Jp2Image::readMetadata() in jp2image.cpp in Exiv2 0.27.2, an input file can result in an infinite loop and hang, with high CPU consumption. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted file.

Do I need to act?

~
3.1% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (6)

Affected Vendors

Debian Canonical Exiv2

References (10)

Patch https://github.com/Exiv2/exiv2/commit/a82098f4f90cd86297131b5663c3dec6a34470e8
Exploit https://github.com/Exiv2/exiv2/issues/1011
Mailing List https://lists.debian.org/debian-lts-announce/2021/08/msg00028.html
Third Party Advisory https://usn.ubuntu.com/4270-1/
Third Party Advisory https://www.debian.org/security/2021/dsa-4958
Patch https://github.com/Exiv2/exiv2/commit/a82098f4f90cd86297131b5663c3dec6a34470e8
Exploit https://github.com/Exiv2/exiv2/issues/1011
Mailing List https://lists.debian.org/debian-lts-announce/2021/08/msg00028.html
Third Party Advisory https://usn.ubuntu.com/4270-1/
Third Party Advisory https://www.debian.org/security/2021/dsa-4958
45
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 6/34 · Minimal
Exposure 13/34 · Low