CVE-2013-7459
UnknownEPSS 9.50%
Last modified
CVE-2013-7459 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 9.50% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Dlitz | Pycrypto | <= 2.6.1 |
| Fedoraproject | Fedora | 24 |
| Fedoraproject | Fedora | 25 |
References
- http://www.openwall.com/lists/oss-security/2016/12/27/8Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/95122Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1409754Issue Tracking, Third Party Advisory, VDB Entry
- https://github.com/dlitz/pycrypto/issues/176Patch, Vendor Advisory
- https://pony7.fr/ctf:public:32c3:cryptmsgExploit, Technical Description, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/12/27/8Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/95122Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1409754Issue Tracking, Third Party Advisory, VDB Entry
- https://github.com/dlitz/pycrypto/issues/176Patch, Vendor Advisory
- https://pony7.fr/ctf:public:32c3:cryptmsgExploit, Technical Description, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2013-7459?
Severity scoring for CVE-2013-7459 is pending analysis. The EPSS model estimates a 9.50% probability of exploitation in the next 30 days.
How do I fix CVE-2013-7459?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2013-7459?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST