High severity · published Sep 25, 2023
CVE-2023-4156
A heap out-of-bounds read flaw was found in builtin.c in the gawk package
7.1
CVSS
0.4%
EPSS
No
On KEV
Description
A heap out-of-bounds read flaw was found in builtin.c in the gawk package. This issue may lead to a crash and could be used to read sensitive information.
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)0.4% · higher than 36% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EL
Enterprise Linux · Redhat
6.0; 7.0 · source: NVD
FE
Fedora · Fedoraproject
38 · source: NVD
GA
Gawk · Gnu
before 5.1.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-4156
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-4156
Exploit
https://access.redhat.com/security/cve/CVE-2023-4156
Exploit
https://bugzilla.redhat.com/show_bug.cgi?id=2215930
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