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ubuntucveUbuntu.comUB:CVE-2013-6420
HistoryDec 11, 2013 - 12:00 a.m.

CVE-2013-6420

2013-12-1100:00:00
ubuntu.com
ubuntu.com
37

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.95 High

EPSS

Percentile

99.3%

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.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu10.04noarchphp5< 5.3.2-1ubuntu4.22UNKNOWN
ubuntu12.04noarchphp5< 5.3.10-1ubuntu3.9UNKNOWN
ubuntu12.10noarchphp5< 5.4.6-1ubuntu1.5UNKNOWN
ubuntu13.04noarchphp5< 5.4.9-4ubuntu2.4UNKNOWN
ubuntu13.10noarchphp5< 5.5.3+dfsg-1ubuntu2.1UNKNOWN

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.95 High

EPSS

Percentile

99.3%