Vulnerability Details : 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.
Published 2011-03-20 02:00:03
Updated 2018-10-30 16:26:21
Source CERT/CC
View at NVD,   CVE.org
Vulnerability category: Memory CorruptionDenial of service

Threat overview for CVE-2011-0421

Top countries where our scanners detected CVE-2011-0421
Top open port discovered on systems with this issue 80
IPs affected by CVE-2011-0421 205,516
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2011-0421!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2011-0421

Probability of exploitation activity in the next 30 days: 3.04%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 90 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2011-0421

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
4.3
 MEDIUM AV:N/AC:M/Au:N/C:N/I:N/A:P
8.6
2.9
 NIST

References for CVE-2011-0421

Products affected by CVE-2011-0421

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