Vulnerability identifier: #VU17819
Vulnerability risk: Low
CVSSv3.1: 7.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-787
Exploitation vector: Local
Exploit availability: Yes
Vulnerable software:
WinRAR
Client/Desktop applications /
Software for archiving
Vendor: RARLAB
Description
The vulnerability allows a local attacker to gain elevated privileges.
The vulnerability exists due to out-of-bounds write during parsing crafted LHA / LZH archive formats. A local attacker can supply specially crafted input, trigger memory corruption and execute arbitrary code with elevated privileges.
Mitigation
Update to version 5.70 Beta 1.
Vulnerable software versions
WinRAR: 4.00 - 5.60
External links
http://www.win-rar.com/whatsnew.html
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.