Description
A vulnerability was found in 9fans plan9port up to 9da5b44. It has been classified as critical. This affects the function edump in the library /src/plan9port/src/libsec/port/x509.c. The manipulation leads to heap-based buffer overflow. 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 b3e06559475b0130a7a2fb56ac4d131d13d2012f. It is recommended to apply a patch to fix this issue.
CVSS breakdown
CVSS 4.0
Attack Vector
Adjacent
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Confidentiality (Vulnerable System)
Low
Integrity (Vulnerable System)
Low
Availability (Vulnerable System)
Low
Confidentiality (Subsequent System)
None
Integrity (Subsequent System)
None
Availability (Subsequent System)
None
E
Physical
CVSS 3.1
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low
E
Physical
RL
O
RC
Changed
Affected products
- 9fans / plan9port9da5b44 – 9da5b44
References
- MISChttps://vuldb.com/?id.259053
- MISChttps://vuldb.com/?ctiid.259053
- MISChttps://vuldb.com/?submit.304567
- MISChttps://vuldb.com/?submit.607684
- MISChttps://drive.google.com/drive/folders/1kedwNLNDiFQB2OAp7S-ZKYoF7nxfIZGO?usp=sharing
- MISChttps://github.com/9fans/plan9port/issues/710#issuecomment-2819906648
- MISChttps://github.com/user-attachments/files/19698345/plan9port_crash_1.txt
- MISChttps://git.9front.org/plan9front/plan9front/b3e06559475b0130a7a2fb56ac4d131d13d2012f/commit.html