Critical severity9.8NVD Advisory· Published Feb 15, 2017· Updated Jun 17, 2026
CVE-2013-7459
CVE-2013-7459
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
pycryptoPyPI | <= 2.6.1 | — |
Affected products
22cpe:2.3:o:fedoraproject:fedora:24:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:fedoraproject:fedora:24:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:25:*:*:*:*:*:*:*
- ghsa-coords19 versionspkg:pypi/pycryptopkg:rpm/suse/python-paramiko&distro=SUSE%20Enterprise%20Storage%203pkg:rpm/suse/python-paramiko&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2012pkg:rpm/suse/python-paramiko&distro=SUSE%20OpenStack%20Cloud%206pkg:rpm/suse/python-pycrypto&distro=SUSE%20Enterprise%20Storage%203pkg:rpm/suse/python-pycrypto&distro=SUSE%20Enterprise%20Storage%204pkg:rpm/suse/python-pycrypto&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Advanced%20Systems%20Management%2012pkg:rpm/suse/python-pycrypto&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2012pkg:rpm/suse/python-pycrypto&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Web%20and%20Scripting%2012pkg:rpm/suse/python-pycrypto&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2012%20SP2pkg:rpm/suse/python-pycrypto&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-CLIENT-TOOLSpkg:rpm/suse/python-pycrypto&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-CLIENT-TOOLSpkg:rpm/suse/python-pycrypto&distro=SUSE%20Manager%20Client%20Tools%2012pkg:rpm/suse/python-pycrypto&distro=SUSE%20Manager%20Proxy%203.0pkg:rpm/suse/python-pycrypto&distro=SUSE%20Manager%20Proxy%203.1pkg:rpm/suse/python-pycrypto&distro=SUSE%20Manager%20Server%203.0pkg:rpm/suse/python-pycrypto&distro=SUSE%20Manager%20Server%203.1pkg:rpm/suse/python-pycrypto&distro=SUSE%20OpenStack%20Cloud%206pkg:rpm/suse/python-pycrypto&distro=SUSE%20OpenStack%20Cloud%207
<= 2.6.1+ 18 more
- (no CPE)range: <= 2.6.1
- (no CPE)range: < 1.15.2-2.3.1
- (no CPE)range: < 1.15.2-2.6.1
- (no CPE)range: < 1.15.2-2.3.1
- (no CPE)range: < 2.6.1-10.3.1
- (no CPE)range: < 2.6.1-10.3.1
- (no CPE)range: < 2.6.1-10.3.1
- (no CPE)range: < 2.6.1-10.3.1
- (no CPE)range: < 2.6.1-10.3.1
- (no CPE)range: < 2.6.1-10.3.1
- (no CPE)range: < 2.6.1-5.1
- (no CPE)range: < 2.6.1-5.1
- (no CPE)range: < 2.6.1-10.3.1
- (no CPE)range: < 2.6.1-10.3.1
- (no CPE)range: < 2.6.1-10.3.1
- (no CPE)range: < 2.6.1-10.3.1
- (no CPE)range: < 2.6.1-10.3.1
- (no CPE)range: < 2.6.1-10.3.1
- (no CPE)range: < 2.6.1-10.3.1
Patches
Vulnerability mechanics
References
14- github.com/dlitz/pycrypto/commit/8dbe0dc3eea5c689d4f76b37b93fe216cf1f00d4nvdPatchWEB
- github.com/dlitz/pycrypto/issues/176nvdPatchVendor AdvisoryWEB
- pony7.fr/ctf:public:32c3:cryptmsgnvdExploitTechnical DescriptionThird Party Advisory
- www.openwall.com/lists/oss-security/2016/12/27/8nvdMailing ListThird Party AdvisoryWEB
- www.securityfocus.com/bid/95122nvdThird Party AdvisoryVDB Entry
- bugzilla.redhat.com/show_bug.cginvdIssue TrackingThird Party AdvisoryVDB EntryWEB
- github.com/advisories/GHSA-cq27-v7xp-c356ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2013-7459ghsaADVISORY
- github.com/pypa/advisory-database/tree/main/vulns/pycrypto/PYSEC-2017-94.yamlghsaWEB
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/C6BWNADPLKDBBQBUT3P75W7HAJCE7M3BghsaWEB
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RJ37R2YLX56YZABFNAOWV4VTHTGYREAEghsaWEB
- security.gentoo.org/glsa/201702-14nvdWEB
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/C6BWNADPLKDBBQBUT3P75W7HAJCE7M3B/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RJ37R2YLX56YZABFNAOWV4VTHTGYREAE/nvd
News mentions
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