Ubuntu update for protobuf

Published: 2023-01-18

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2015-5237 CVE-2022-1941
CWE-ID	CWE-122 CWE-20
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Ubuntu Operating systems & Components / Operating system protobuf-compiler (Ubuntu package) Operating systems & Components / Operating system package or component libprotobuf9v5 (Ubuntu package) Operating systems & Components / Operating system package or component python-protobuf (Ubuntu package) Operating systems & Components / Operating system package or component libprotobuf-lite9v5 (Ubuntu package) Operating systems & Components / Operating system package or component libprotoc9v5 (Ubuntu package) Operating systems & Components / Operating system package or component
Vendor	Canonical Ltd.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Heap-based buffer overflow

EUVDB-ID: #VU70097

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2015-5237

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error. A remote attacker can pass specially crafted data to the application, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

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

Mitigation

Update the affected package protobuf to the latest version.

Vulnerable software versions

Ubuntu: 16.04

protobuf-compiler (Ubuntu package): before Ubuntu Pro (Infra-only)

libprotobuf9v5 (Ubuntu package): before Ubuntu Pro (Infra-only)

python-protobuf (Ubuntu package): before Ubuntu Pro (Infra-only)

libprotobuf-lite9v5 (Ubuntu package): before Ubuntu Pro (Infra-only)

libprotoc9v5 (Ubuntu package): before Ubuntu Pro (Infra-only)

CPE2.3

External links

https://ubuntu.com/security/notices/USN-5769-1

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.

2) Improper input validation

EUVDB-ID: #VU71261

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-1941

CWE-ID: CWE-20 - Improper input validation