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CVE-2009-0544

Buffer overflow in the PyCrypto ARC2 module 2.0.1 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a large ARC2 key length.

Published:Feb 7, 2009

Last Modified:Apr 23, 2026

EPS:Feb 12, 2009

EPSS Score:0.29776

CVSS Score:10

Affected Products

Vendor

Product

Action

Vendor

Pycrypto

Product

Arc2

Pycrypto

Arc2

Exploits

http://www.securityfocus.com/bid/33674 http://www.securityfocus.com/bid/33674 https://www.exploit-db.com/exploits/32780

Common Weakness Enumeration

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-10 Buffer Overflow via Environment Variables

CAPEC-100 Overflow Buffers

CAPEC-123 Buffer Manipulation

CAPEC-14 Client-side Injection-induced Buffer Overflow

CAPEC-24 Filter Failure through Buffer Overflow

CAPEC-42 MIME Conversion

CAPEC-44 Overflow Binary Resource File

CAPEC-45 Buffer Overflow via Symbolic Links

CAPEC-46 Overflow Variables and Tags

CAPEC-47 Buffer Overflow via Parameter Expansion

CAPEC-8 Buffer Overflow in an API Call

CAPEC-9 Buffer Overflow in Local Command-Line Utilities

References

http://gitweb2.dlitz.net/?p=crypto/pycrypto-2.x.git%3Ba=commitdiff%3Bh=d1c4875e1f220652fe7ff8358f56dee3b2aba31b

http://gitweb2.dlitz.net/?p=crypto/pycrypto-2.x.git%3Ba=commitdiff%3Bh=fd73731dfad451a81056fbb01e09aa78ab82eb5d

http://lists.opensuse.org/opensuse-security-announce/2009-05/msg00000.html

http://secunia.com/advisories/34199

http://secunia.com/advisories/35065

http://www.gentoo.org/security/en/glsa/glsa-200903-11.xml

http://www.mandriva.com/security/advisories?name=MDVSA-2009:049

http://www.mandriva.com/security/advisories?name=MDVSA-2009:050

http://www.openwall.com/lists/oss-security/2009/02/07/1

http://www.openwall.com/lists/oss-security/2009/02/12/5

http://www.securityfocus.com/bid/33674

https://exchange.xforce.ibmcloud.com/vulnerabilities/48617

http://gitweb2.dlitz.net/?p=crypto/pycrypto-2.x.git%3Ba=commitdiff%3Bh=d1c4875e1f220652fe7ff8358f56dee3b2aba31b

http://gitweb2.dlitz.net/?p=crypto/pycrypto-2.x.git%3Ba=commitdiff%3Bh=fd73731dfad451a81056fbb01e09aa78ab82eb5d

http://lists.opensuse.org/opensuse-security-announce/2009-05/msg00000.html

http://secunia.com/advisories/34199

http://secunia.com/advisories/35065

http://www.gentoo.org/security/en/glsa/glsa-200903-11.xml

http://www.mandriva.com/security/advisories?name=MDVSA-2009:049

http://www.mandriva.com/security/advisories?name=MDVSA-2009:050

http://www.openwall.com/lists/oss-security/2009/02/07/1

http://www.openwall.com/lists/oss-security/2009/02/12/5

http://www.securityfocus.com/bid/33674

https://exchange.xforce.ibmcloud.com/vulnerabilities/48617

Common Vulnerability Scoring System

Attack Vector

Network

Adjacent

Local

Physical

Privileges Required

None

Low

High

User Interaction

None

Required

Scope

Unchanged

Changed

Confidentiality

None

Low

High

Integrity

None

Low

High

Availability

None

Low

High