openEuler update for clamav

1) Input validation error

EUVDB-ID: #VU23559

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-15961

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input passed via email messages due to overly long parsing of MIME messages. A remote attacker can send a specially crafted email message and perform a denial of service attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS - 20.03 LTS SP1

clamav-data: before 0.101.4-9

clamav-filesystem: before 0.101.4-9

clamav-debugsource: before 0.101.4-9

clamav-devel: before 0.101.4-9

clamd: before 0.101.4-9

clamav-debuginfo: before 0.101.4-9

clamav-milter: before 0.101.4-9

clamav-update: before 0.101.4-9

clamav-help: before 0.101.4-9

clamav: before 0.101.4-9

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2021-1080

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.