SUSE update for avahi

1) Predictable Seed in Pseudo-Random Number Generator (PRNG)

EUVDB-ID: #VU101681

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-52616

CWE-ID: CWE-337 - Predictable Seed in Pseudo-Random Number Generator (PRNG)

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to software initializes DNS transaction IDs randomly only once at startup, incrementing them sequentially after that. A remote attacker can predict subsequent transaction IDs and perform DNS spoofing attack.

Mitigation

Update the affected package avahi to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server 12 SP5 LTSS Extended: Security

SUSE Linux Enterprise Server for SAP Applications 12: SP5

SUSE Linux Enterprise Server 12: SP5

avahi-lang: before 0.6.32-32.30.1

libdns_sd-32bit: before 0.6.32-32.30.1

avahi-debuginfo: before 0.6.32-32.30.1

libavahi-core7: before 0.6.32-32.30.1

libavahi-glib1: before 0.6.32-32.30.1

avahi-utils: before 0.6.32-32.30.1

libavahi-client3-debuginfo: before 0.6.32-32.30.1

avahi-debugsource: before 0.6.32-32.30.1

libdns_sd-debuginfo: before 0.6.32-32.30.1

avahi-utils-debuginfo: before 0.6.32-32.30.1

libdns_sd: before 0.6.32-32.30.1

libavahi-common3-debuginfo-32bit: before 0.6.32-32.30.1

avahi-glib2-debugsource: before 0.6.32-32.30.1

libavahi-common3-32bit: before 0.6.32-32.30.1

libavahi-glib1-32bit: before 0.6.32-32.30.1

avahi: before 0.6.32-32.30.1

libavahi-client3-32bit: before 0.6.32-32.30.1

libavahi-core7-debuginfo: before 0.6.32-32.30.1

libavahi-client3: before 0.6.32-32.30.1

avahi-debuginfo-32bit: before 0.6.32-32.30.1

libavahi-common3: before 0.6.32-32.30.1

libdns_sd-debuginfo-32bit: before 0.6.32-32.30.1

libavahi-client3-debuginfo-32bit: before 0.6.32-32.30.1

libavahi-common3-debuginfo: before 0.6.32-32.30.1

libavahi-glib1-debuginfo-32bit: before 0.6.32-32.30.1

libavahi-glib1-debuginfo: before 0.6.32-32.30.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_server_12_sp5_ltss_extended:Security:*:*:*:*:*:*:*
• 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:a:suse:avahi-lang:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libdns_sd-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:avahi-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libavahi-core7:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libavahi-glib1:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:avahi-utils:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libavahi-client3-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:avahi-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libdns_sd-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:avahi-utils-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libdns_sd:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libavahi-common3-debuginfo-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:avahi-glib2-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libavahi-common3-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libavahi-glib1-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:avahi:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libavahi-client3-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libavahi-core7-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libavahi-client3:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:avahi-debuginfo-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libavahi-common3:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libdns_sd-debuginfo-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libavahi-client3-debuginfo-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libavahi-common3-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libavahi-glib1-debuginfo-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libavahi-glib1-debuginfo:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2024/suse-su-20244282-1/

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.