CVE-2011-2483

Name: CVE-2011-2483
Creator: NVD / NIST
Published: 2011-08-25T14:22:44.913+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 4.97%

Last modified Jun 16, 2026

CVE-2011-2483 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 4.97% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

4.97%

91.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-310

Affected Software

Vendor	Product	Versions
Php	Php	< 5.3.7
Postgresql	Postgresql	>= 8.2.0, < 8.2.22
Postgresql	Postgresql	>= 8.3.0, < 8.3.16
Postgresql	Postgresql	>= 8.4.0, < 8.4.9
Postgresql	Postgresql	>= 9.0.0, < 9.0.5
Openwall	Crypt Blowfish	< 1.1

References

http://freshmeat.net/projects/crypt_blowfishBroken Link
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705Third Party Advisory
http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.htmlMailing List
http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00015.htmlThird Party Advisory
http://php.net/security/crypt_blowfishThird Party Advisory
http://support.apple.com/kb/HT5130Third Party Advisory
http://www.debian.org/security/2011/dsa-2340Third Party Advisory, VDB Entry
http://www.debian.org/security/2012/dsa-2399Third Party Advisory, VDB Entry
http://www.mandriva.com/security/advisories?name=MDVSA-2011:165Broken Link
http://www.mandriva.com/security/advisories?name=MDVSA-2011:178Broken Link
http://www.mandriva.com/security/advisories?name=MDVSA-2011:179Broken Link
http://www.mandriva.com/security/advisories?name=MDVSA-2011:180Broken Link
http://www.openwall.com/crypt/Mailing List, Patch, Third Party Advisory
http://www.php.net/ChangeLog-5.php#5.3.7Third Party Advisory
http://www.php.net/archive/2011.php#id2011-08-18-1Patch, Vendor Advisory
http://www.postgresql.org/docs/8.4/static/release-8-4-9.htmlPatch, Vendor Advisory
http://www.redhat.com/support/errata/RHSA-2011-1377.htmlBroken Link
http://www.redhat.com/support/errata/RHSA-2011-1378.htmlBroken Link
http://www.redhat.com/support/errata/RHSA-2011-1423.htmlBroken Link
http://www.securityfocus.com/bid/49241Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-1229-1Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/69319Third Party Advisory, VDB Entry
http://freshmeat.net/projects/crypt_blowfishBroken Link
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705Third Party Advisory
http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.htmlMailing List
http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00015.htmlThird Party Advisory
http://php.net/security/crypt_blowfishThird Party Advisory
http://support.apple.com/kb/HT5130Third Party Advisory
http://www.debian.org/security/2011/dsa-2340Third Party Advisory, VDB Entry
http://www.debian.org/security/2012/dsa-2399Third Party Advisory, VDB Entry
http://www.mandriva.com/security/advisories?name=MDVSA-2011:165Broken Link
http://www.mandriva.com/security/advisories?name=MDVSA-2011:178Broken Link
http://www.mandriva.com/security/advisories?name=MDVSA-2011:179Broken Link
http://www.mandriva.com/security/advisories?name=MDVSA-2011:180Broken Link
http://www.openwall.com/crypt/Mailing List, Patch, Third Party Advisory
http://www.php.net/ChangeLog-5.php#5.3.7Third Party Advisory
http://www.php.net/archive/2011.php#id2011-08-18-1Patch, Vendor Advisory
http://www.postgresql.org/docs/8.4/static/release-8-4-9.htmlPatch, Vendor Advisory
http://www.redhat.com/support/errata/RHSA-2011-1377.htmlBroken Link
http://www.redhat.com/support/errata/RHSA-2011-1378.htmlBroken Link
http://www.redhat.com/support/errata/RHSA-2011-1423.htmlBroken Link
http://www.securityfocus.com/bid/49241Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-1229-1Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/69319Third Party Advisory, VDB Entry

Timeline

Published: Aug 25, 2011
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2011-2483?

How severe is CVE-2011-2483?

Severity scoring for CVE-2011-2483 is pending analysis. The EPSS model estimates a 4.97% probability of exploitation in the next 30 days.

How do I fix CVE-2011-2483?

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-2011-2483?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST