Vulnerability identifier: #VU72298
Vulnerability risk: Medium
CVSSv3.1: 5.2 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N/E:P/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-611
Exploitation vector: Network
Exploit availability: Yes
Vulnerable software:
ClamAV
Client/Desktop applications /
Antivirus software/Personal firewalls
Vendor: ClamAV
Description
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to enabling XML entity substitution. A remote attacker can pass a specially crafted XML code to the antivirus and view bytes from any file that may be read by the ClamAV scanning process.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
ClamAV: 1.0.0, 0.105.0 - 0.105.1, 0.104.0 - 0.104.4, 0.103 - 0.103.7, 0.9 rc1, 0.93 - 0.93.3, 0.92 - 0.92.1, 0.91 - 0.91.2, 0.90 - 0.90.3, 0.86 - 0.86.2, 0.84 rc2, 0.84 rc1, 0.81 rc1, 0.80 rc4, 0.80 rc3, 0.80 rc2, 0.80 rc1, 0.68 - 0.68.1, 0.11, 0.06, 0.04, 0.67, 0.66, 0.65, 0.60 - 0.60p, 0.54, 0.53, 0.52, 0.51, 0.24, 0.23, 0.22, 0.21, 0.20, 0.15, 0.14, 0.13, 0.12, 0.10, 0.05, 0.3, 0.03, 0.02, 0.01, 0.102.0 - 0.102.4, 0.101.0 - 0.101.5, 0.70, 0.71, 0.72, 0.73, 0.74, 0.75 - 0.75.1, 0.80, 0.81, 0.82, 0.83, 0.84, 0.85 - 0.85.1, 0.87 - 0.87.1, 0.88 - 0.88.7, 0.94 - 0.94.2, 0.95 - 0.95.3, 0.96 - 0.96.5, 0.97 - 0.97.8, 0.98 - 0.98.7, 0.99 - 0.99.4, 0.100.0 - 0.100.3
External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-xxe-TcSZduhN
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. However, proof of concept for this vulnerability is available.