CVE-2010-2943 Information disclosure in n/a
Remote authenticated users can read unlinked files or overwrite disk blocks via stale NFS filehandles due to missing inode allocation checks in XFS.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2010-2943?
CVE-2010-2943 is a high-severity vulnerability in Canonical Ubuntu Linux, published on 30 Sep 2010. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The xfs implementation in the Linux kernel before 2.6.35 does not look up inode allocation btrees before reading inode buffers, which allows remote authenticated users to read unlinked files, or read or overwrite disk blocks that are currently assigned to an active file but were previously assigned to an unlinked file, by accessing a stale NFS filehandle.
Weakness: CWE-200
Which versions are affected by CVE-2010-2943?
It affects 10 products.
Products include Avaya Aura Communication Manager, Avaya Aura Presence Services, Avaya Aura Session Manager, Avaya Aura System Manager, Avaya Aura System Platform, Avaya Aura Voice Portal and 4 more.
How do I fix CVE-2010-2943?
Upgrade to a fixed version.
Is CVE-2010-2943 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2010-2943 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Canonical Ubuntu Linux
- CVE-2010-2492 Memory corruption in n/a
- CVE-2010-2798 Null dereference in n/a
- CVE-2022-2249 Avaya Aura Communication Manager Privilege Escalation Vulnerabilities
- CVE-2018-15617 Communication Manager Denial of Service
- CVE-2020-7029 Avaya Product System Management Interface Cross-Site Request Forgery Vulnerability
Sources
Also known as GHSA-hm34-64r3-w24r.