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.
CVSS breakdown
CVSS 4.0
Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Confidentiality (Vulnerable System)
None
Integrity (Vulnerable System)
None
Availability (Vulnerable System)
Low
Confidentiality (Subsequent System)
None
Integrity (Subsequent System)
None
Availability (Subsequent System)
None
E
Physical
CVSS 3.1
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
E
Physical
RL
O
RC
Changed
Affected products
- 9fans / plan9port9da5b44 – 9da5b44
References
- MISChttps://vuldb.com/?id.315157
- MISChttps://vuldb.com/?ctiid.315157
- MISChttps://vuldb.com/?submit.607685
- MISChttps://github.com/9fans/plan9port/issues/711
- MISChttps://github.com/9fans/plan9port/issues/711#issuecomment-2819905220
- MISChttps://github.com/user-attachments/files/19698361/plan9port_crash_2.txt
- MISChttps://git.9front.org/plan9front/plan9front/deae8939583d83fd798fca97665e0e94656c3ee8/commit.html