SUSE update for ppp

1) Buffer overflow

EUVDB-ID: #VU84790

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-4603

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error within the dumpppp() function in pppdump. A remote attacker can pass specially crafted data to the daemon and perform a denial of service (DoS) attack.

Mitigation

Update the affected package ppp to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Software Development Kit 12: SP5

SUSE Linux Enterprise Server for SAP Applications 12: SP5

SUSE Linux Enterprise Server 12: SP5

SUSE Linux Enterprise High Performance Computing 12: SP5

ppp: before 2.4.7-4.6.1

ppp-devel: before 2.4.7-4.6.1

ppp-debuginfo: before 2.4.7-4.6.1

ppp-debugsource: before 2.4.7-4.6.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_software_development_kit_12:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_12:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_12:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_12:SP5:*:*:*:*:*:*:*
• cpe:2.3:a:suse:ppp:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:ppp-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:ppp-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:ppp-debugsource:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2023/suse-su-20234961-1/

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.