Low severity · published Dec 8, 2020
CVE-2020-27818
A flaw was found in the check_chunk_name() function of pngcheck-2.4.0
3.3
CVSS
1.2%
EPSS
No
On KEV
Description
A flaw was found in the check_chunk_name() function of pngcheck-2.4.0. An attacker able to pass a malicious file to be processed by pngcheck could cause a temporary denial of service, posing a low risk to application availability.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 68% 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 · source: NVD
EP
Extra Packages For Enterprise Linux · Fedoraproject
7.0; 8.0 · source: NVD
FE
Fedora · Fedoraproject
31; 32; 33; 34 · source: NVD
PN
Pngcheck · Libpng
2.4.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-27818
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-27818
Third Party Advisory
https://bodhi.fedoraproject.org/updates/FEDORA-2020-04d5e1ce26
Third Party Advisory
https://bodhi.fedoraproject.org/updates/FEDORA-2020-23432b7b72
Third Party Advisory
https://bodhi.fedoraproject.org/updates/FEDORA-2020-27b168926a
Third Party Advisory
https://bodhi.fedoraproject.org/updates/FEDORA-2020-4349e95c4f
Third Party Advisory
https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-339db397ad
Third Party Advisory
https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-6c93c61069
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