openEuler update for memcached

1) Out-of-bounds read

EUVDB-ID: #VU20847

Risk: Medium

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: CVE-2019-15026

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

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

The vulnerability exists due to stack-based buffer over-read in conn_to_str() function in memcached.c. A remote attacker can perform a denial of service attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS - 20.03 LTS SP1

memcached-help: before 1.5.10-6

memcached-selinux: before 1.5.10-6

memcached-devel: before 1.5.10-6

memcached-debuginfo: before 1.5.10-6

memcached-debugsource: before 1.5.10-6

memcached: before 1.5.10-6

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2021-1006

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.