Vulnerability · Published Aug 1, 2023 · Assigned by mitre
CVE-2023-34634
High 7.8
In plain English
A high-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 7.6% (higher than 95% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit, public proof-of-concept code.
Severity (CVSS NVD)7.8High
Exploit odds (30 days)7.6%top 5.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling2Metasploit, Public PoC
Official description
Greenshot 1.2.10 and below allows arbitrary code execution because .NET content is insecurely deserialized when a .greenshot file is opened.
Affected products (as reported)
References
- https://greenshot.atlassian.net/browse/BUG-3061
- https://github.com/greenshot/greenshot/commit/a152e2883fca7f78051b3bd6b1e5cc57355cb44c
- https://www.exploit-db.com/exploits/51633
- http://packetstormsecurity.com/files/173825/GreenShot-1.2.10-Arbitrary-Code-Execution.html
- http://packetstormsecurity.com/files/174222/Greenshot-1.3.274-Deserialization-Command-Execution.html