High severity · published Oct 1, 2023
CVE-2023-43907
OptiPNG v0.7.7 was discovered to contain a global buffer overflow via the 'buffer' variable at gifread.c
7.8
CVSS
0.5%
EPSS
No
On KEV
Description
OptiPNG v0.7.7 was discovered to contain a global buffer overflow via the 'buffer' variable at gifread.c.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 39% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
Optipng · Optipng Project
0.7.7 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-43907
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-43907
Product
http://optipng.sourceforge.net/
Exploit
https://github.com/Frank-Z7/z-vulnerabilitys/blob/main/optipng-global-buffer-overflow1/optipng-global-buffer-overflow1.md
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IBHVG5LDE2K3FZSIK4XFXOUXSE7NZ5JH/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RCG5CMDT37WCZGAWQNOIPVP4VHGCPUU3/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VAB22JXDE7O27DYARZXC7PFUETM5OOT5/
Product
https://sourceforge.net/projects/optipng/files/OptiPNG/optipng-0.7.7/optipng-0.7.7.tar.gz/download?use_mirror=udomain&download=
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