Stack-based buffer overflow in icu - CVE-2011-4599

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Main Vulnerability Database Vulnerabilities #VU45694

Stack-based buffer overflow in icu - CVE-2011-4599

Published: August 14, 2020


Vulnerability identifier: #VU45694
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2011-4599
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the _canonicalize function in common/uloc.c when processing a crafted locale ID that is not properly handled during variant canonicalization. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

icu
Amazon Linux AMI
IBM i
icu (Alpine package)
IBM Rational ClearQuest

How to mitigate CVE-2011-4599

Install update from vendor's website.

icu - update to 49.1
icu (Alpine package) - addressed in versions 4.8.1.1-r1, 49.1.1-r0
IBM Rational ClearQuest - update to 10.0.6

External References

Related Security Bulletins