CVE-2011-1471

Public Exploit

Description

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.

Category

4.3
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 8.85% Top 10%
Vendor Advisory mandriva.com Vendor Advisory debian.org Vendor Advisory apple.com Vendor Advisory redhat.com Vendor Advisory mandriva.com Vendor Advisory php.net Vendor Advisory php.net
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/46975 third party advisory vdb entry
http://www.mandriva.com/security/advisories?name=MDVSA-2011:053 vendor advisory broken link
http://www.debian.org/security/2011/dsa-2266 third party advisory vendor advisory
http://www.php.net/ChangeLog-5.php vendor advisory
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html vendor advisory mailing list third party advisory
http://www.redhat.com/support/errata/RHSA-2011-1423.html third party advisory vendor advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2011:052 vendor advisory broken link
http://www.vupen.com/english/advisories/2011/0744 vdb entry permissions required
http://support.apple.com/kb/HT5002 third party advisory
http://bugs.php.net/bug.php?id=49072 vendor advisory exploit

Frequently Asked Questions

What is the severity of CVE-2011-1471?
CVE-2011-1471 has been scored as a medium severity vulnerability.
How to fix CVE-2011-1471?
To fix CVE-2011-1471, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-1471 being actively exploited in the wild?
It is possible that CVE-2011-1471 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~9% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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