Out-of-Bounds Affecting php5 package, versions <5.5.6+dfsg-2


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

Exploit Maturity
Mature
EPSS
95.28% (100th percentile)

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  • Snyk IDSNYK-DEBIAN8-PHP5-394888
  • published17 Dec 2013
  • disclosed17 Dec 2013

Introduced: 17 Dec 2013

CVE-2013-6420  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade Debian:8 php5 to version 5.5.6+dfsg-2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream php5 package and not the php5 package as distributed by Debian. See How to fix? for Debian:8 relevant fixed versions and status.

The asn1_time_to_time_t function in ext/openssl/openssl.c in PHP before 5.3.28, 5.4.x before 5.4.23, and 5.5.x before 5.5.7 does not properly parse (1) notBefore and (2) notAfter timestamps in X.509 certificates, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted certificate that is not properly handled by the openssl_x509_parse function.

CVSS Scores

version 3.1