CVE-2009-1888 Missing authorization in n/a

What is CVE-2009-1888?

CVE-2009-1888 is a medium-severity missing authorization vulnerability in Canonical Ubuntu Linux, published on 24 Jun 2009. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The acl_group_override function in smbd/posix_acls.c in smbd in Samba 3.0.x before 3.0.35, 3.1.x and 3.2.x before 3.2.13, and 3.3.x before 3.3.6, when dos filemode is enabled, allows remote attackers to modify access control lists for files via vectors related to read access to uninitialized memory.

Weakness: CWE-264

Which versions are affected by CVE-2009-1888?

It affects 3 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Samba Samba.

How do I fix CVE-2009-1888?

Upgrade to a fixed version.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2009-1888 being exploited?

There is no known exploitation of CVE-2009-1888 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-2009-1888, ECHO-0c92-d457-d9f2, GHSA-mh49-m393-pw96.