Privilege Escalation in Perl - CVE-2016-1238

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Main Vulnerability Database Vulnerabilities #VU811

Privilege Escalation in Perl - CVE-2016-1238

Published: October 10, 2016


Vulnerability identifier: #VU811
CSH Severity: Medium
CVSS v4: 5.4 [CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2016-1238
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to obtain elevated privileges on the target system.

The vulnerability exists due to improper input validation. By sending and tricking the victim to load a specially crafted code a malicious user can cause arbitrary code execution that allows them to gain root privileges.

Successful exploitation of this vulnerability will result in arbitrary code execution that allows a local attacker to get elevated privilegs on the vulnerable system.




Affected software

Perl
perl (Alpine package)
perl-Module-Load-Conditional
spamassassin
perl
perl-bootstrap
Opensuse
Fedora

How to mitigate CVE-2016-1238

Update to version 5.22.3 or 5.24.1.

perl (Alpine package) - update to 5.22.3-r0
perl-Module-Load-Conditional - addressed in versions 0.68-1.fc23, 0.68-1.fc24
spamassassin - addressed in versions 3.4.2-1.fc27, 3.4.2-1.fc28, 3.4.2-1.fc29, 3.4.2-2.fc27, 3.4.2-2.fc28, 3.4.2-2.fc29
perl - addressed in versions 5.22.2-354.fc23, 5.22.2-362.fc24
perl-bootstrap - update to 5.32-3320210810075712.601d93de

External References

Related Security Bulletins