CVE Tools
Sign in

CVE-2023-4156

Heap out of bound read in builtin.c

Published: Sep 25, 2023Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-125
4.4MEDIUM
NVD MITRE
EPSS Score
0.4%
Top 63.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:LPR:NUI:RS:UC:LI:NA:L
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:LAvailability
Low
Open in CVSS calculator →

Weaknesses

CWE-125

Affected Products

Red Hat Inc.
commercial·USaka Red Hat, redhat
Red Hat Enterprise Linux 6On-premOS
Operating Systems / linux-distro
Fedora
oss-projectaka fedora linux
FedoraOn-premOS
Operating Systems / linux-distro
gnu
oss-project·USaka g. nu
gawk
OSS Libraries
fedoraproject
oss-project·USaka fedora project
fedoraOn-premOS
Operating Systems / linux-distro
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
Astra Linux Special EditionOn-premOS
Operating Systems / linux-distro
Сообщество свободного программного обеспечения
oss-projectaka fsf
Debian GNU/LinuxOn-premOS
Operating Systems / linux-distro
and 8 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2023-4156?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://access.redhat.com/security/cve/CVE-2023-4156
access.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2215930
bugzilla.redhat.com
https://access.redhat.com/security/cve/cve-2023-4156
access.redhat.com
and 10 more references View all →

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2023-4156 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows