Resource exhaustion in clamav (Alpine package)



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-16932
CWE-ID CWE-400
Exploitation vector Network
Public exploit N/A
Vulnerable software
 clamav (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Resource exhaustion

EUVDB-ID: #VU9542

Risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-16932

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists in parser.c function due to improper handling of certain parameter entities. A remote attacker can supply specially constructed XML data, trigger resource exhaustion and cause the application to crash.

Successful exploitation of the vulnerability results in denial of service.

Mitigation

Install update from vendor's website.

Vulnerable software versions

clamav (Alpine package): 0.99.4-r0 - 0.100.0-r2

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=1e7eec478d53d671eb7faf3c64e6bfe8e540877b
https://git.alpinelinux.org/aports/commit/?id=2437dee3d74caf1a16e8331977ec836716b5bd3c
https://git.alpinelinux.org/aports/commit/?id=d87903ef0e2c9558f9ca6a23af7eb28438a10ccf
https://git.alpinelinux.org/aports/commit/?id=540c3721c297fd86200a7518c76e7f8a5b51a83b
https://git.alpinelinux.org/aports/commit/?id=90552e261c77a65b5d25b9f935af4236ea1e08c1


Q & A

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.



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