CVE-2008-4577 Auth bypass in n/a

What is CVE-2008-4577?

CVE-2008-4577 is a high-severity authentication bypass vulnerability in Canonical Ubuntu Linux, published on 15 Oct 2008. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The ACL plugin in Dovecot before 1.1.4 treats negative access rights as if they are positive access rights, which allows attackers to bypass intended access restrictions.

Weakness: CWE-863

Which versions are affected by CVE-2008-4577?

It affects 4 products.

Products include Canonical Ubuntu Linux, Dovecot Dovecot, Fedoraproject Fedora, Opensuse Opensuse.

How do I fix CVE-2008-4577?

Upgrade to a fixed version.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2008-4577 being exploited?

There is no known exploitation of CVE-2008-4577 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 DEBIAN-CVE-2008-4577, GHSA-24jq-h48j-g592.