openEuler update for strongswan

1) Buffer overflow

EUVDB-ID: #VU83305

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-41913

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists in the TKM-backed version of the charon IKE daemon due to a missing check for DH Public Values in charon-tkm. A remote attacker can send specially crafted data to the application, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 22.03 LTS

strongswan-help: before 5.7.2-11

strongswan-debuginfo: before 5.7.2-11

strongswan-debugsource: before 5.7.2-11

strongswan: before 5.7.2-11

CPE2.3

• cpe:2.3:o:openeuler:openeuler:20.03:LTS SP1:*:*:*:*:*:
• cpe:2.3:o:openeuler:openeuler:20.03:LTS SP3:*:*:*:*:*:
• cpe:2.3:o:openeuler:openeuler:20.03:LTS SP4:*:*:*:*:*:
• cpe:2.3:o:openeuler:strongswan-help:*:*:*:*:*:openeuler:*:
• cpe:2.3:o:openeuler:strongswan-debuginfo:*:*:*:*:*:openeuler:*:
• cpe:2.3:o:openeuler:strongswan-debugsource:*:*:*:*:*:openeuler:*:
• cpe:2.3:o:openeuler:strongswan:*:*:*:*:*:openeuler:*:

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1945

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.