#VU45190 Input validation error in PHP - CVE-2011-1471
Published: March 20, 2011 / Updated: August 11, 2020
Vulnerability identifier: #VU45190
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-2011-1471
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerable software:
PHP
PHP
Software vendor:
PHP Group
PHP Group
Description
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
Integer signedness error in zip_stream.c in the Zip extension in PHP before 5.3.6 allows context-dependent attackers to cause a denial of service (CPU consumption) via a malformed archive file that triggers errors in zip_fread function calls.
Remediation
Install update from vendor's website.
External links
- http://bugs.php.net/bug.php?id=49072
- http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
- http://support.apple.com/kb/HT5002
- http://www.debian.org/security/2011/dsa-2266
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:052
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:053
- http://www.php.net/ChangeLog-5.php
- http://www.redhat.com/support/errata/RHSA-2011-1423.html
- http://www.securityfocus.com/bid/46975
- http://www.vupen.com/english/advisories/2011/0744