ax25-tools up to 0.0.8-12 AX.25 Daemon setuid Return Value privileges management

Summaryinfo

A vulnerability identified as critical has been detected in ax25-tools up to 0.0.8-12. This vulnerability affects the function setuid of the component AX.25 Daemon. This manipulation as part of Return Value causes privileges management. The identification of this vulnerability is CVE-2011-2910. The attack can only be executed locally. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in ax25-tools up to 0.0.8-12. Affected by this vulnerability is the function setuid of the component AX.25 Daemon. The manipulation as part of a Return Value leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The AX.25 daemon (ax25d) in ax25-tools before 0.0.8-13 does not check the return value of a setuid call. The setuid call is responsible for dropping privileges but if the call fails the daemon would continue to run with root privileges which can allow possible privilege escalation.

The bug was discovered 08/10/2011. The weakness was shared 11/15/2019. This vulnerability is known as CVE-2011-2910 since 07/27/2011. The exploitation appears to be easy. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 3019 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 0.0.8-13 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at OSVDB (74915†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

• ax25-tools

Version

• 0.0.8-12

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion