High severity · published Apr 21, 2021
CVE-2020-23922
An issue was discovered in giflib through 5.1.4
7.1
CVSS
2.2%
EPSS
No
On KEV
Description
An issue was discovered in giflib through 5.1.4. DumpScreen2RGB in gif2rgb.c has a heap-based buffer over-read.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.2% · higher than 83% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BO
Bookkeeper · Apache
4.12.1 · source: NVD
GI
Giflib · Giflib Project
through 5.1.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-23922
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-23922
Technical Description
https://cwe.mitre.org/data/definitions/126.html
lists.apache.org
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
lists.apache.org
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
Exploit
https://sourceforge.net/p/giflib/bugs/151/
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