CVE-2013-7459

Heap-based buffer overflow in the ALGnew function in block_templace.c in Python Cryptography Toolkit (aka pycrypto) allows remote attackers to execute arbitrary code as demonstrated by a crafted iv parameter to cryptmsg.py.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://pony7.fr/ctf:public:32c3:cryptmsg	Exploit Technical Description Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RJ37R2YLX56YZABFNAOWV4VTHTGYREAE/	Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/C6BWNADPLKDBBQBUT3P75W7HAJCE7M3B/	Third Party Advisory
https://github.com/dlitz/pycrypto/issues/176	Patch Vendor Advisory
https://github.com/dlitz/pycrypto/commit/8dbe0dc3eea5c689d4f76b37b93fe216cf1f00d4	Patch
https://bugzilla.redhat.com/show_bug.cgi?id=1409754	Issue Tracking Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/95122	Third Party Advisory VDB Entry
http://www.openwall.com/lists/oss-security/2016/12/27/8	Mailing List Third Party Advisory
https://security.gentoo.org/glsa/201702-14

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Configurations

Configuration 1 (hide)

cpe:2.3:a:dlitz:pycrypto:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:24:::::::*
	cpe:2.3:o:fedoraproject:fedora:25:::::::*

Information

Published : 2017-02-15 07:59

Updated : 2017-06-30 18:29

NVD link : CVE-2013-7459

Mitre link : CVE-2013-7459

JSON object : View

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

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Products Affected

fedoraproject

fedora

dlitz

pycrypto

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