Ubuntu update for golang-1.13

1) Infinite loop

EUVDB-ID: #VU45699

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-2020-16845

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

Description

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

The vulnerability exists due to infinite loop in "ReadUvarint" and "ReadVarint" in "encoding/binary". A remote attacker can consume all available system resources and cause denial of service conditions.

Mitigation

Update the affected package golang-1.13 to the latest version.

Vulnerable software versions

Ubuntu: 16.04

golang-1.13-go (Ubuntu package): before Ubuntu Pro

golang-1.13 (Ubuntu package): before Ubuntu Pro

golang-1.13-src (Ubuntu package): before Ubuntu Pro

CPE2.3

• cpe:2.3:o:canonical:ubuntu:16.04:*:*:*:*:*:*:*
• cpe:2.3:a:canonical:golang-1.13-go_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:golang-1.13_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:golang-1.13-src_ubuntu_package:*:*:*:*:*:ubuntu:*:*

External links

https://ubuntu.com/security/notices/USN-5725-2

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.