Strix
26.1K

CVE-2011-0421

UnknownEPSS 13.51%

Last modified

CVE-2011-0421 is a vulnerability of currently unknown severity. The _zip_name_locate function in zip_name_locate.c in the Zip extension in PHP before 5.3.6 does not properly handle a ZIPARCHIVE::FL_UNCHANGED argument, which might allow context-dependent attackers to cause a denial of service (NULL pointer dereference) via an empty ZIP archive that is processed with a (1) locateName or (2) statName operation.. EPSS estimates a 13.51% chance of exploitation in the next 30 days.

Description

The _zip_name_locate function in zip_name_locate.c in the Zip extension in PHP before 5.3.6 does not properly handle a ZIPARCHIVE::FL_UNCHANGED argument, which might allow context-dependent attackers to cause a denial of service (NULL pointer dereference) via an empty ZIP archive that is processed with a (1) locateName or (2) statName operation.

Metrics

EPSS Probability
13.51%

96.0th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
PhpPhp<= 5.3.5
PhpPhp1.0
PhpPhp2.0
PhpPhp2.0b10
PhpPhp3.0
PhpPhp3.0.1
PhpPhp3.0.2
PhpPhp3.0.3
PhpPhp3.0.4
PhpPhp3.0.5
PhpPhp3.0.6
PhpPhp3.0.7
PhpPhp3.0.8
PhpPhp3.0.9
PhpPhp3.0.10
PhpPhp3.0.11
PhpPhp3.0.12
PhpPhp3.0.13
PhpPhp3.0.14
PhpPhp3.0.15
PhpPhp3.0.16
PhpPhp3.0.17
PhpPhp3.0.18
PhpPhp4.0
PhpPhp4.0.0
PhpPhp4.0.1
PhpPhp4.0.2
PhpPhp4.0.3
PhpPhp4.0.4
PhpPhp4.0.5
PhpPhp4.0.6
PhpPhp4.0.7
PhpPhp4.1.0
PhpPhp4.1.1
PhpPhp4.1.2
PhpPhp4.2.0
PhpPhp4.2.1
PhpPhp4.2.2
PhpPhp4.2.3
PhpPhp4.3.0
PhpPhp4.3.1
PhpPhp4.3.2
PhpPhp4.3.3
PhpPhp4.3.4
PhpPhp4.3.5
PhpPhp4.3.6
PhpPhp4.3.7
PhpPhp4.3.8
PhpPhp4.3.9
PhpPhp4.3.10

Showing 50 of 97 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2011-0421?
The _zip_name_locate function in zip_name_locate.c in the Zip extension in PHP before 5.3.6 does not properly handle a ZIPARCHIVE::FL_UNCHANGED argument, which might allow context-dependent attackers to cause a denial of service (NULL pointer dereference) via an empty ZIP archive that is processed with a (1) locateName or (2) statName operation.
How severe is CVE-2011-0421?
Severity scoring for CVE-2011-0421 is pending analysis. The EPSS model estimates a 13.51% probability of exploitation in the next 30 days.
How do I fix CVE-2011-0421?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-0421?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST