CVE-2011-2483
Vulnerability Summary
Timeline
Description
crypt_blowfish before 1.1, as used in PHP before 5.3.7 on certain platforms, PostgreSQL before 8.4.9, and other products, does not properly handle 8-bit characters, which makes it easier for context-dependent attackers to determine a cleartext password by leveraging knowledge of a password hash.
CVSS Metrics
- v2.0•MEDIUM•Score: 5AV:N/AC:L/Au:N/C:P/I:N/A:N
EPSS Trends
Current EPSS score: 4.97%• Percentile: 92%
Techniques & Countermeasures
- CWE-310•Cryptographic Issues
Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed.
Affected Systems
- debian•libxcrypt
< 1:2.4-1.1 | < 1:2.4-1.1 | < 1:2.4-1.1 | < 1:2.4-1.1
- openwall•crypt_blowfish
< 1.1
- php•php
< 5.3.7
- postgresql•postgresql
≥ 8.2.0, < 8.2.22 | ≥ 8.3.0, < 8.3.16 | ≥ 8.4.0, < 8.4.9 | ≥ 9.0.0, < 9.0.5
References (23)
- http://www.openwall.com/crypt/
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:180
- https://exchange.xforce.ibmcloud.com/vulnerabilities/69319
- http://support.apple.com/kb/HT5130
- http://php.net/security/crypt_blowfish
- http://www.securityfocus.com/bid/49241
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:165
- http://www.debian.org/security/2012/dsa-2399
- http://www.debian.org/security/2011/dsa-2340
- http://www.redhat.com/support/errata/RHSA-2011-1378.html
- http://www.postgresql.org/docs/8.4/static/release-8-4-9.html
- http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00015.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:178
- http://www.redhat.com/support/errata/RHSA-2011-1377.html
- http://www.redhat.com/support/errata/RHSA-2011-1423.html
- http://www.php.net/ChangeLog-5.php#5.3.7
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
- http://www.php.net/archive/2011.php#id2011-08-18-1
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:179
- http://freshmeat.net/projects/crypt_blowfish
- http://www.ubuntu.com/usn/USN-1229-1
- https://security-tracker.debian.org/tracker/CVE-2011-2483