openEuler 20.03 LTS SP1 update for libsolv

1) Improper input validation

EUVDB-ID: #VU62515

Risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-3200

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local non-authenticated attacker to perform service disruption.

The vulnerability exists due to improper input validation within the Signaling (libsolv) component in Oracle Communications Cloud Native Core Policy. A local non-authenticated attacker can exploit this vulnerability to perform service disruption.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1

libsolv-help: before 0.7.14-2

python3-solv: before 0.7.14-2

perl-solv: before 0.7.14-2

libsolv-devel: before 0.7.14-2

ruby-solv: before 0.7.14-2

libsolv-debugsource: before 0.7.14-2

libsolv-debuginfo: before 0.7.14-2

libsolv: before 0.7.14-2

CPE2.3

• cpe:2.3:o:openeuler:openeuler:20.03:LTS SP1:*:*:*:*:*:*
• cpe:2.3:a:openeuler:libsolv-help:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:python3-solv:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:perl-solv:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:libsolv-devel:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:ruby-solv:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:libsolv-debugsource:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:libsolv-debuginfo:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:libsolv:*:*:*:*:*:openeuler:*:*

External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2021-1209

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.