Anolis OS update for openssl

1) Resource exhaustion

EUVDB-ID: #VU88211

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-2511

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

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

The vulnerability exists due to unbounded memory growth when processing TLSv1.3 sessions. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Successful exploitation of the vulnerability requires that the non-default SSL_OP_NO_TICKET option is being used in TLSv1.3.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 23

openssl-doc: before 3.0.12-7

openssl-perl: before 3.0.12-7

openssl-libs: before 3.0.12-7

openssl-devel: before 3.0.12-7

openssl: before 3.0.12-7

CPE2.3

• cpe:2.3:o:openanolis:anolis_os:23:*:*:*:*:*:*:*
• cpe:2.3:o:openanolis:openssl-doc:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:o:openanolis:openssl-perl:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:o:openanolis:openssl-libs:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:o:openanolis:openssl-devel:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:o:openanolis:openssl:*:*:*:*:*:anolis_os:*:*

External links

https://anas.openanolis.cn/errata/detail/ANSA-2024:1126

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.