Vulnerability in Bitmessage Pybitmessage
CVE-2021-26917
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
EPSS: 0.005 (42.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Bitmessage Pybitmessage
- N/a — versions n/a
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC, Release Notes)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-26917?
- CVE-2021-26917 is a medium-severity vulnerability in Bitmessage Pybitmessage. CVSS score: 5.5/10. Published 2021-02-08.
- How severe is CVE-2021-26917?
- Medium severity. CVSS v3 base score is 5.5 out of 10.