Critical severity · published Feb 15, 2017
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…
9.8
CVSS
9.6%
EPSS
No
On KEV
Description
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 vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)9.6% · higher than 95% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Fedora · Fedoraproject
24; 25 · source: NVD
PY
Pycrypto · Dlitz
through 2.6.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2013-7459
CVE.org
https://www.cve.org/CVERecord?id=CVE-2013-7459
Mailing List
http://www.openwall.com/lists/oss-security/2016/12/27/8
Third Party Advisory
http://www.securityfocus.com/bid/95122
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1409754
Patch
https://github.com/dlitz/pycrypto/commit/8dbe0dc3eea5c689d4f76b37b93fe216cf1f00d4
Patch
https://github.com/dlitz/pycrypto/issues/176
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/C6BWNADPLKDBBQBUT3P75W7HAJCE7M3B/
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