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Short Name

HTTP:PHP:OPENSSL-X509-CERT-MC

Severity

High

Recommended

No

Recommended Action

Drop

Category

HTTP

Keywords

PHP OpenSSL Extension X.509 Certificate Memory Corruption

Release Date

2014/02/25

Update Number

2349

Supported Platforms

idp-4.0+, isg-3.1.134269+, j-series-9.5+, mx-9.4+, srx-9.2+, srx-branch-9.4+, vsrx-12.1+

HTTP: PHP OpenSSL Extension X.509 Certificate Memory Corruption


This signature detects attempts to exploit a known vulnerability against PHP OpenSSL Extension X.509 Certificate. A successful attack can lead to arbitrary code execution.

Extended Description

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.

Affected Products

  • php 5.3.0
  • php 5.3.1
  • php 5.3.10
  • php 5.3.11
  • php 5.3.12
  • php 5.3.13
  • php 5.3.14
  • php 5.3.15
  • php 5.3.16
  • php 5.3.17
  • php 5.3.18
  • php 5.3.19
  • php 5.3.2
  • php 5.3.20
  • php 5.3.21
  • php 5.3.22
  • php 5.3.23
  • php 5.3.24
  • php 5.3.25
  • php 5.3.26
  • php 5.3.3
  • php 5.3.4
  • php 5.3.5
  • php 5.3.6
  • php 5.3.7
  • php 5.3.8
  • php 5.3.9
  • php 5.4.0
  • php 5.4.1
  • php 5.4.10
  • php 5.4.11
  • php 5.4.12 (rc1)
  • php 5.4.12 (rc2)
  • php 5.4.13 (rc1)
  • php 5.4.14 (rc1)
  • php 5.4.15 (rc1)
  • php 5.4.16 (rc1)
  • php 5.4.17
  • php 5.4.18
  • php 5.4.19
  • php 5.4.2
  • php 5.4.20
  • php 5.4.21
  • php 5.4.22
  • php 5.4.3
  • php 5.4.4
  • php 5.4.5
  • php 5.4.6
  • php 5.4.7
  • php 5.4.8
  • php 5.4.9
  • php 5.5.0 (alpha1)
  • php 5.5.0 (alpha2)
  • php 5.5.0 (alpha3)
  • php 5.5.0 (alpha4)
  • php 5.5.0 (alpha5)
  • php 5.5.0 (alpha6)
  • php 5.5.0 (beta1)
  • php 5.5.0 (beta2)
  • php 5.5.0 (beta3)
  • php 5.5.0 (beta4)
  • php 5.5.0 (rc1)
  • php 5.5.0 (rc2)
  • php 5.5.1
  • php 5.5.2
  • php 5.5.3
  • php 5.5.4
  • php 5.5.5
  • php 5.5.6
  • php up to 5.3.27

References

  • CVE: CVE-2013-6420

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