#VU45048 Input validation error in Perl - CVE-2011-0761
Published: May 13, 2011 / Updated: August 11, 2020
Vulnerability identifier: #VU45048
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2011-0761
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerable software:
Perl
Perl
Software vendor:
Perl
Perl
Description
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
Perl 5.10.x allows context-dependent attackers to cause a denial of service (NULL pointer dereference and application crash) by leveraging an ability to inject arguments into a (1) getpeername, (2) readdir, (3) closedir, (4) getsockname, (5) rewinddir, (6) tell, or (7) telldir function call. Per: http://cwe.mitre.org/data/definitions/476.html 'CWE-476: NULL Pointer Dereference'
Remediation
Install update from vendor's website.