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debianDebianDEBIAN:DSA-2502-1:8E77D
HistoryJun 24, 2012 - 8:37 p.m.

[SECURITY] [DSA 2502-1] python-crypto security update

2012-06-2420:37:16
lists.debian.org
12

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

AI Score

5.8

Confidence

Low

EPSS

0.004

Percentile

74.9%


Debian Security Advisory DSA-2502-1 [email protected]
http://www.debian.org/security/ Moritz Muehlenhoff
June 24, 2012 http://www.debian.org/security/faq


Package : python-crypto
Vulnerability : programming error
Problem type : remote
Debian-specific: no
CVE ID : CVE-2012-2417

It was discovered that that the ElGamal code in PythonCrypto, a
collection of cryptographic algorithms and protocols for Python used
insecure insufficient prime numbers in key generation, which lead to a
weakened signature or public key space, allowing easier brute force
attacks on such keys.

For the stable distribution (squeeze), this problem has been fixed in
version 2.1.0-2+squeeze1.

For the unstable distribution (sid), this problem has been fixed in
version 2.6-1.

We recommend that you upgrade your python-crypto packages. After
installing this update, previously generated keys need to be regenerated.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/

Mailing list: [email protected]

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

AI Score

5.8

Confidence

Low

EPSS

0.004

Percentile

74.9%