SUSE update for slirp4netns

1) Out-of-bounds read

EUVDB-ID: #VU48696

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-2020-29130

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

Exploit availability: No

Description

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

The vulnerability exists due to buffer over-read in slirp.c when processing ARP/NCSI packets in 'arp_input' or 'ncsi_input' routines, because the libslirp library tries to read a certain amount of header data even if that exceeds the total packet length. A remote attacker can perform a denial of service attack.

Mitigation

Update the affected package slirp4netns to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Micro: 5.2

slirp4netns-debugsource: before 0.4.7-3.15.1

slirp4netns-debuginfo: before 0.4.7-3.15.1

slirp4netns: before 0.4.7-3.15.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_micro:5.2:*:*:*:*:*:*:*
• cpe:2.3:a:suse:slirp4netns-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:slirp4netns-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:slirp4netns:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2022/suse-su-20220943-2/

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.