Vulnerability in Canonical Php5
CVE-2012-2317
The Debian php_crypt_revamped.patch patch for PHP 5.3.x, as used in the php5 package before 5.3.3-7+squeeze4 in Debian GNU/Linux squeeze, the php5 package before 5.3.2-1ubuntu4.17 in Ubuntu 10.04 LTS, and the php5 package before 5.3.5-1ubuntu7.10 in Ubuntu 11.04, does not properly handle an empty salt string, which might allow remote attackers to bypass authentication by leveraging an application that relies on the PHP crypt function to choose a salt for password hashing.
Vulnerability class: POODLE (CVE-2014-3566)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.025 (83.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: 0.000
Affected products
- Canonical Php5 — versions 5.3.2-1ubuntu4.17, 5.3.5-1ubuntu7.10
- Canonical Ubuntu Linux — versions 10.04, 11.04
- Debian Linux
- Debian Php5-Common — versions 5.3.3-7\+squeeze4, 5.3.3-7+squeeze4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.ubuntu.com/usn/USN-1481-1 (vendor-advisory)
- www.openwall.com/lists/oss-security/2012/05/04/7 (mailing-list)
- bugs.debian.org/cgi-bin/bugreport.cgi
- www.openwall.com/lists/oss-security/2012/05/05/2 (mailing-list)
Frequently asked questions
- What is CVE-2012-2317?
- CVE-2012-2317 is a vulnerability in Canonical Php5, classified under Cryptographic Issues. Published 2012-08-07.
- Is CVE-2012-2317 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.