OpenAFS up to 1.6.24/1.8.12.2/1.9.1 improper validation of syntactic correctness of input

Summaryinfo

A vulnerability was found in OpenAFS up to 1.6.24/1.8.12.2/1.9.1. It has been rated as critical. This affects an unknown part. The manipulation leads to improper validation of syntactic correctness of input. This vulnerability is uniquely identified as CVE-2024-10396. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, has been found in OpenAFS up to 1.6.24/1.8.12.2/1.9.1. This issue affects an unknown function. The manipulation with an unknown input leads to a improper validation of syntactic correctness of input vulnerability. Using CWE to declare the problem leads to CWE-1286. The product receives input that is expected to be well-formed - i.e., to comply with a certain syntax - but it does not validate or incorrectly validates that the input complies with the syntax. Impacted is availability. The summary by CVE is:

An authenticated user can provide a malformed ACL to the fileserver's StoreACL RPC, causing the fileserver to crash, possibly expose uninitialized memory, and possibly store garbage data in the audit log. Malformed ACLs provided in responses to client FetchACL RPCs can cause client processes to crash and possibly expose uninitialized memory into other ACLs stored on the server.

It is possible to read the advisory at openafs.org. The identification of this vulnerability is CVE-2024-10396 since 10/25/2024. The exploitation is known to be easy. The attack may be initiated remotely. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 213984 (Debian dsa-5842 : libafsauthent2 - security update), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (213984). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• File Transfer Software

Name

• OpenAFS

Version

• 1.6.0
• 1.6.1
• 1.6.2
• 1.6.3
• 1.6.4
• 1.6.5
• 1.6.6
• 1.6.7
• 1.6.8
• 1.6.9
• 1.6.10
• 1.6.11
• 1.6.12
• 1.6.13
• 1.6.14
• 1.6.15
• 1.6.16
• 1.6.17
• 1.6.18
• 1.6.19
• 1.6.20
• 1.6.21
• 1.6.22
• 1.6.23
• 1.6.24
• 1.8.12.0
• 1.8.12.1
• 1.8.12.2
• 1.9.0
• 1.9.1

License

• open-source

CPE 2.3info

• 🔍
• 🔍
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CPE 2.2info

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• 🔍
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Entryinfo

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

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