SUSE update for openssl-1_1

1) Out-of-bounds read

EUVDB-ID: #VU56064

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-3712

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition when processing ASN.1 strings related to a confusion with NULL termination of strings in array. A remote attacker can pass specially crafted data to the application to trigger an out-of-bounds read error and read contents of memory on the system or perform a denial of service (DoS) attack.

Mitigation

Update the affected package openssl-1_1 to the latest version.

Vulnerable software versions

SUSE MicroOS: 5.1

libopenssl1_1-hmac: before 1.1.1d-11.30.1

libopenssl-1_1-devel: before 1.1.1d-11.30.1

openssl-1_1-debugsource: before 1.1.1d-11.30.1

openssl-1_1-debuginfo: before 1.1.1d-11.30.1

openssl-1_1: before 1.1.1d-11.30.1

libopenssl1_1-debuginfo: before 1.1.1d-11.30.1

libopenssl1_1: before 1.1.1d-11.30.1

CPE2.3

• cpe:2.3:o:suse:suse_microos:5.1:*:*:*:*:*:*:*
• cpe:2.3:a:suse:libopenssl1_1-hmac:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libopenssl-1_1-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:openssl-1_1-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:openssl-1_1-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:openssl-1_1:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libopenssl1_1-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libopenssl1_1:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2021/suse-su-20212966-2/

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.