CVE-2021-26917 Information

Description

DISPUTED PyBitmessage through 0.6.3.2 allows attackers to write screen captures to Potentially Unwanted Directories via a crafted apinotifypath value. NOTE: the discoverer states \security mitigation may not be necessary as there is no evidence yet that these screen intercepts are actually transported away from the local host.\ NOTE: it is unclear whether there are any common use cases in which apinotifypath is controlled by an attacker.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Reference

https://attack.mitre.org/techniques/T1113/ https://poal.co/s/technology/290479 https://github.com/Bitmessage/PyBitmessage/blob/f381721bec31641002e2f240309600c4994855a7/src/api.py#L35-L37 https://github.com/Bitmessage/PyBitmessage/releases

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.5