CVE Details
Basic Information
| Title | 9fans plan9port x509.c value_decode null pointer dereference |
|---|---|
| Type | cve |
| Published | 2025-07-09T01:02:08.354Z |
| Modified | 2025-07-09T01:02:08.354Z |
Product Information
| Vendor | 9fans |
|---|---|
| Product | plan9port |
| Version | 9da5b44 |
CVSS Information
| Base Score | 4.8 (MEDIUM) |
|---|---|
| Attack Vector | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P |
AI Analysis
| AI Description | A null pointer dereference vulnerability in the value_decode function of plan9port’s x509.c library can cause a local denial of service. This issue requires local access to exploit and has been publicly disclosed with a patch available. |
|---|---|
| AI Severity | Medium |
| AI Vendor | 9fans |
| AI Product | plan9port |
| AI Version | 9da5b44 |
Affected Products
- 9fans plan9port 9da5b44
Additional Information
| CWE List | CWE-476, CWE-404 |
|---|---|
| Source | VulDB |
Description
A vulnerability has been found in 9fans plan9port up to 9da5b44 and classified as problematic. Affected by this vulnerability is the function value_decode in the library src/libsec/port/x509.c. The manipulation leads to null pointer dereference. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available. The identifier of the patch is deae8939583d83fd798fca97665e0e94656c3ee8. It is recommended to apply a patch to fix this issue.
References
- https://vuldb.com/?id.315157
- https://vuldb.com/?ctiid.315157
- https://vuldb.com/?submit.607685
- https://github.com/9fans/plan9port/issues/711
- https://github.com/9fans/plan9port/issues/711#issuecomment-2819905220
- https://github.com/user-attachments/files/19698361/plan9port_crash_2.txt
- https://git.9front.org/plan9front/plan9front/deae8939583d83fd798fca97665e0e94656c3ee8/commit.html