Ubuntu update for openssl



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-2068
CWE-ID CWE-78
Exploitation vector Network
Public exploit N/A
Vulnerable software
Ubuntu
Operating systems & Components / Operating system

openssl (Ubuntu package)
Operating systems & Components / Operating system package or component

openssl1.0 (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) OS Command Injection

EUVDB-ID: #VU64559

Risk: Medium

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-2068

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: No

Description

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

The vulnerability exists due to improper input validation in the c_rehash script distributed by some operating systems. A remote attacker with ability to pass data to c_rehash script can and execute arbitrary OS commands with the privileges of the script.

The vulnerability exists due to incomplete fix for #VU62765 (CVE-2022-1292).

Mitigation

Update the affected package openssl to the latest version.

Vulnerable software versions

Ubuntu: 18.04 - 22.04

openssl (Ubuntu package): before 1.1.1l-1ubuntu1.5

openssl1.0 (Ubuntu package): before 1.0.2n-1ubuntu5.10

CPE2.3 External links

https://ubuntu.com/security/notices/USN-5488-1


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.



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