High severity · published Jan 27, 2020
CVE-2019-20421
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
7.5
CVSS
4.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.3% · higher than 91% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0; 10.0 · source: NVD
EX
Exiv2 · Exiv2
0.27.2 · source: NVD
UL
Ubuntu Linux · Canonical
16.04; 18.04; 19.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-20421
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-20421
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
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