CVE-2008-2108 Weak cryptography in n/a

What is CVE-2008-2108?

CVE-2008-2108 is a critical vulnerability in Canonical Ubuntu Linux, published on 7 May 2008. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The GENERATE_SEED macro in PHP 4.x before 4.4.8 and 5.x before 5.2.5, when running on 64-bit systems, performs a multiplication that generates a portion of zero bits during conversion due to insufficient precision, which produces 24 bits of entropy and simplifies brute force attacks against protection mechanisms that use the rand and mt_rand functions.

Weakness: CWE-331

Which versions are affected by CVE-2008-2108?

It affects 4 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Fedoraproject Fedora, Php Php.

How do I fix CVE-2008-2108?

Upgrade to a fixed version.

Is CVE-2008-2108 being exploited?

There is no known exploitation of CVE-2008-2108 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-ch9c-f347-cqvw.