Vulnerability identifier: #VU10312
Vulnerability risk: Low
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-416
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
ClamAV
Client/Desktop applications /
Antivirus software/Personal firewalls
Vendor: ClamAV
Description
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to input validation checking mechanisms during parsing mbox.c operations on bounce messages. A remote attacker can send a specially crafted input, trigger use-after-free error and cause the service to crash.
Mitigation
Update to version 0.99.3.
Vulnerable software versions
ClamAV: 0.99.0 - 0.99.2, 0.98.0, 0.97.0 - 0.97.6
External links
http://blog.clamav.net/2018/01/clamav-0993-has-been-released.html
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.