7.5
HIGH
CVE-2013-6420
Apache PHP ASN1 Time Format Parsing Buffer Overflow Vulnerability
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.

INFO

Published Date :

Dec. 17, 2013, 4:46 a.m.

Last Modified :

Nov. 7, 2023, 2:17 a.m.

Remotely Exploitable :

Yes !

Impact Score :

6.4

Exploitability Score :

10.0
Public PoC/Exploit Available at Github

CVE-2013-6420 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2013-6420 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Apple mac_os_x
1 Php php
1 Opensuse opensuse

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

None

Updated: 1 week, 5 days ago
5 stars 0 fork 0 watcher
Born at : Feb. 23, 2023, 5:42 a.m. This repo has been linked 455 different CVEs too.

MySimpleCertViewer - a simple server certificate viewer in PHP.

PHP

Updated: 8 months, 4 weeks ago
11 stars 4 fork 4 watcher
Born at : March 16, 2013, 4:02 p.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2013-6420 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2013-6420 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference Red Hat, Inc. http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=c1224573c773b6845e83505f717fbf820fc18415 [No types assigned]
    Added Reference Red Hat, Inc. http://forums.interworx.com/threads/8000-InterWorx-Version-5-0-14-Released-on-Beta-Channel%21 [No types assigned]
    Removed Reference Red Hat, Inc. http://git.php.net/?p=php-src.git;a=commit;h=c1224573c773b6845e83505f717fbf820fc18415
    Removed Reference Red Hat, Inc. http://forums.interworx.com/threads/8000-InterWorx-Version-5-0-14-Released-on-Beta-Channel!
  • CPE Deprecation Remap by [email protected]

    Oct. 30, 2018

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:novell:opensuse:13.1:*:*:*:*:*:*:* OR *cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Oct. 30, 2018

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:novell:opensuse:12.3:*:*:*:*:*:*:* OR *cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Oct. 30, 2018

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:novell:opensuse:12.2:*:*:*:*:*:*:* OR *cpe:2.3:o:opensuse:opensuse:12.2:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Oct. 30, 2018

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:novell:opensuse:11.4:*:*:*:*:*:*:* OR *cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Aug. 13, 2018

    Action Type Old Value New Value
    Removed Reference http://forums.interworx.com/threads/8000-InterWorx-Version-5-0-14-Released-on-Beta-Channel%21 [No Types Assigned]
    Added Reference http://forums.interworx.com/threads/8000-InterWorx-Version-5-0-14-Released-on-Beta-Channel! [No Types Assigned]
  • CVE Modified by [email protected]

    Jan. 09, 2018

    Action Type Old Value New Value
    Added Reference http://www.ubuntu.com/usn/USN-2055-1 [No Types Assigned]
    Added Reference http://www.debian.org/security/2013/dsa-2816 [No Types Assigned]
    Added Reference http://rhn.redhat.com/errata/RHSA-2013-1826.html [No Types Assigned]
    Added Reference http://rhn.redhat.com/errata/RHSA-2013-1825.html [No Types Assigned]
    Added Reference http://rhn.redhat.com/errata/RHSA-2013-1824.html [No Types Assigned]
    Added Reference http://rhn.redhat.com/errata/RHSA-2013-1815.html [No Types Assigned]
    Added Reference http://rhn.redhat.com/errata/RHSA-2013-1813.html [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 28, 2016

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/64225 [No Types Assigned]
  • Modified Analysis by [email protected]

    Apr. 11, 2016

    Action Type Old Value New Value
    Changed CPE Configuration Configuration 1 OR *cpe:2.3:a:php:php:5.4.22:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.21:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.20:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.19:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.18:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.17:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.16:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.15:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.0:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.1:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.10:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.11:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.12:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.12:rc1:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.12:rc2:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.13:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.13:rc1:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.14:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.14:rc1:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.15:rc1:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.16:rc1:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.2:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.3:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.4:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.5:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.6:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.7:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.8:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.9:*:*:*:*:*:*:* Configuration 2 OR *cpe:2.3:a:php:php:5.5.0:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.5.6:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.5.5:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.5.4:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.5.3:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.5.2:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.5.1:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.5.0:rc2:*:*:*:*:*:* *cpe:2.3:a:php:php:5.5.0:rc1:*:*:*:*:*:* *cpe:2.3:a:php:php:5.5.0:beta4:*:*:*:*:*:* *cpe:2.3:a:php:php:5.5.0:beta3:*:*:*:*:*:* *cpe:2.3:a:php:php:5.5.0:beta2:*:*:*:*:*:* *cpe:2.3:a:php:php:5.5.0:beta1:*:*:*:*:*:* *cpe:2.3:a:php:php:5.5.0:alpha6:*:*:*:*:*:* *cpe:2.3:a:php:php:5.5.0:alpha5:*:*:*:*:*:* *cpe:2.3:a:php:php:5.5.0:alpha4:*:*:*:*:*:* *cpe:2.3:a:php:php:5.5.0:alpha3:*:*:*:*:*:* *cpe:2.3:a:php:php:5.5.0:alpha2:*:*:*:*:*:* *cpe:2.3:a:php:php:5.5.0:alpha1:*:*:*:*:*:* Configuration 3 OR *cpe:2.3:a:php:php:5.3.0:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.1:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.10:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.11:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.12:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.13:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.14:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.15:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.16:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.17:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.18:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.19:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.2:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.20:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.21:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.22:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.23:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.24:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.25:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.26:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.27:*:*:*:*:*:*:* (and previous) *cpe:2.3:a:php:php:5.3.3:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.4:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.5:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.6:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.7:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.8:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.9:*:*:*:*:*:*:* Configuration 1 OR *cpe:2.3:a:php:php:5.4.22:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.21:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.20:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.19:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.18:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.17:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.16:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.15:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.0:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.1:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.10:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.11:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.12:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.12:rc1:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.12:rc2:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.13:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.13:rc1:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.14:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.14:rc1:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.15:rc1:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.16:rc1:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.2:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.3:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.4:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.5:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.6:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.7:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.8:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.4.9:*:*:*:*:*:*:* Configuration 2 OR *cpe:2.3:o:novell:opensuse:11.4:*:*:*:*:*:*:* *cpe:2.3:o:novell:opensuse:13.1:*:*:*:*:*:*:* *cpe:2.3:o:novell:opensuse:12.3:*:*:*:*:*:*:* *cpe:2.3:o:novell:opensuse:12.2:*:*:*:*:*:*:* Configuration 3 OR *cpe:2.3:o:apple:mac_os_x:10.9.1:*:*:*:*:*:*:* (and previous) Configuration 4 OR *cpe:2.3:a:php:php:5.3.0:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.1:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.10:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.11:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.12:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.13:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.14:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.15:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.16:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.17:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.18:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.19:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.2:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.20:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.21:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.22:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.23:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.24:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.25:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.26:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.27:*:*:*:*:*:*:* (and previous) *cpe:2.3:a:php:php:5.3.3:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.4:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.5:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.6:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.7:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.8:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.3.9:*:*:*:*:*:*:* Configuration 5 OR *cpe:2.3:a:php:php:5.5.0:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.5.6:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.5.5:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.5.4:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.5.3:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.5.2:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.5.1:*:*:*:*:*:*:* *cpe:2.3:a:php:php:5.5.0:rc2:*:*:*:*:*:* *cpe:2.3:a:php:php:5.5.0:rc1:*:*:*:*:*:* *cpe:2.3:a:php:php:5.5.0:beta4:*:*:*:*:*:* *cpe:2.3:a:php:php:5.5.0:beta3:*:*:*:*:*:* *cpe:2.3:a:php:php:5.5.0:beta2:*:*:*:*:*:* *cpe:2.3:a:php:php:5.5.0:beta1:*:*:*:*:*:* *cpe:2.3:a:php:php:5.5.0:alpha6:*:*:*:*:*:* *cpe:2.3:a:php:php:5.5.0:alpha5:*:*:*:*:*:* *cpe:2.3:a:php:php:5.5.0:alpha4:*:*:*:*:*:* *cpe:2.3:a:php:php:5.5.0:alpha3:*:*:*:*:*:* *cpe:2.3:a:php:php:5.5.0:alpha2:*:*:*:*:*:* *cpe:2.3:a:php:php:5.5.0:alpha1:*:*:*:*:*:*
  • CVE Modified by [email protected]

    May. 19, 2015

    Action Type Old Value New Value
    Added Reference https://h20564.www2.hp.com/hpsc/doc/public/display?docId=emr_na-c04463322
  • Initial Analysis by [email protected]

    Dec. 17, 2013

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

94.98 }} 0.66%

score

0.99109

percentile

CVSS2 - Vulnerability Scoring System
Access Vector
Access Complexity
Authentication
Confidentiality
Integrity
Availability