Slackware Linux update for dnsmasq



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-0934
CWE-ID CWE-416
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Slackware Linux
Operating systems & Components / Operating system

dnsmasq
Operating systems & Components / Operating system package or component

Vendor Slackware

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Use-after-free

EUVDB-ID: #VU63013

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-2022-0934

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

The vulnerability exists due to a use-after-free error when handling DHCPv6 requests. A remote attacker can send specially crafted DHCPv6 packets to the affected application, trigger a use-after-free error and perform a denial of service (DoS) attack.


Mitigation

Update the affected package dnsmasq (SSA.

Vulnerable software versions

Slackware Linux: 14.0 - 15.0

dnsmasq: before 2.87

CPE2.3 External links

https://www.slackware.com/security/viewer.php?l=slackware-security&y=2022&m=slackware-security.462767


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.



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