CVE-2011-2483 Weak cryptography in n/a

Medium 5.0 Published Updated

Attackers can recover cleartext passwords from hashes due to improper 8-bit character handling in the crypt_blowfish library.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2011-2483?

CVE-2011-2483 is a medium-severity vulnerability in Php Php, published on 25 Aug 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-310

Which versions are affected by CVE-2011-2483?

It affects 3 products.

Linux distribution packages (40)
postgresql Red Hat:enterprise_linux:4::asAll versions0:7.4.30-3.el4
postgresql-contrib Red Hat:enterprise_linux:4::asAll versions0:7.4.30-3.el4
postgresql-debuginfo Red Hat:enterprise_linux:4::asAll versions0:7.4.30-3.el4
postgresql-devel Red Hat:enterprise_linux:4::asAll versions0:7.4.30-3.el4
postgresql-docs Red Hat:enterprise_linux:4::asAll versions0:7.4.30-3.el4
postgresql-jdbc Red Hat:enterprise_linux:4::asAll versions0:7.4.30-3.el4
postgresql-libs Red Hat:enterprise_linux:4::asAll versions0:7.4.30-3.el4
postgresql-pl Red Hat:enterprise_linux:4::asAll versions0:7.4.30-3.el4
postgresql-python Red Hat:enterprise_linux:4::asAll versions0:7.4.30-3.el4
postgresql-server Red Hat:enterprise_linux:4::asAll versions0:7.4.30-3.el4
postgresql-tcl Red Hat:enterprise_linux:4::asAll versions0:7.4.30-3.el4
postgresql-test Red Hat:enterprise_linux:4::asAll versions0:7.4.30-3.el4
postgresql Red Hat:enterprise_linux:4::desktopAll versions0:7.4.30-3.el4
postgresql-contrib Red Hat:enterprise_linux:4::desktopAll versions0:7.4.30-3.el4
postgresql-debuginfo Red Hat:enterprise_linux:4::desktopAll versions0:7.4.30-3.el4
postgresql-devel Red Hat:enterprise_linux:4::desktopAll versions0:7.4.30-3.el4
postgresql-docs Red Hat:enterprise_linux:4::desktopAll versions0:7.4.30-3.el4
postgresql-jdbc Red Hat:enterprise_linux:4::desktopAll versions0:7.4.30-3.el4
postgresql-libs Red Hat:enterprise_linux:4::desktopAll versions0:7.4.30-3.el4
postgresql-pl Red Hat:enterprise_linux:4::desktopAll versions0:7.4.30-3.el4
postgresql-python Red Hat:enterprise_linux:4::desktopAll versions0:7.4.30-3.el4
postgresql-server Red Hat:enterprise_linux:4::desktopAll versions0:7.4.30-3.el4
postgresql-tcl Red Hat:enterprise_linux:4::desktopAll versions0:7.4.30-3.el4
postgresql-test Red Hat:enterprise_linux:4::desktopAll versions0:7.4.30-3.el4
postgresql Red Hat:enterprise_linux:4::esAll versions0:7.4.30-3.el4
postgresql-contrib Red Hat:enterprise_linux:4::esAll versions0:7.4.30-3.el4
postgresql-debuginfo Red Hat:enterprise_linux:4::esAll versions0:7.4.30-3.el4
postgresql-devel Red Hat:enterprise_linux:4::esAll versions0:7.4.30-3.el4
postgresql-docs Red Hat:enterprise_linux:4::esAll versions0:7.4.30-3.el4
postgresql-jdbc Red Hat:enterprise_linux:4::esAll versions0:7.4.30-3.el4
postgresql-libs Red Hat:enterprise_linux:4::esAll versions0:7.4.30-3.el4
postgresql-pl Red Hat:enterprise_linux:4::esAll versions0:7.4.30-3.el4
postgresql-python Red Hat:enterprise_linux:4::esAll versions0:7.4.30-3.el4
postgresql-server Red Hat:enterprise_linux:4::esAll versions0:7.4.30-3.el4
postgresql-tcl Red Hat:enterprise_linux:4::esAll versions0:7.4.30-3.el4
postgresql-test Red Hat:enterprise_linux:4::esAll versions0:7.4.30-3.el4
postgresql Red Hat:enterprise_linux:4::wsAll versions0:7.4.30-3.el4
postgresql-contrib Red Hat:enterprise_linux:4::wsAll versions0:7.4.30-3.el4
postgresql-debuginfo Red Hat:enterprise_linux:4::wsAll versions0:7.4.30-3.el4
postgresql-devel Red Hat:enterprise_linux:4::wsAll versions0:7.4.30-3.el4

Products include Openwall Crypt Blowfish, Php Php, Postgresql Postgresql.

How do I fix CVE-2011-2483?

Upgrade to a fixed version.

Is CVE-2011-2483 being exploited?

There is no known exploitation of CVE-2011-2483 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2011-2483, DSA-2340-1, GHSA-f6xx-pp35-hmmv, RHSA-2011:1377, RHSA-2011:1378, openSUSE-SU-2024:10312-1.

Is CVE-2011-2483 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free