dnsmasq: CVE-2023-28450

Related Vulnerabilities: CVE-2023-28450  

Debian Bug report logs - #1033165
dnsmasq: CVE-2023-28450

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Reported by: Salvatore Bonaccorso <carnil@debian.org>

Date: Sat, 18 Mar 2023 19:54:02 UTC

Severity: important

Tags: security, upstream

Found in version dnsmasq/2.89-1

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Report forwarded to debian-bugs-dist@lists.debian.org, carnil@debian.org, team@security.debian.org, Simon Kelley <simon@thekelleys.org.uk>:
Bug#1033165; Package src:dnsmasq. (Sat, 18 Mar 2023 19:54:04 GMT) (full text, mbox, link).


Acknowledgement sent to Salvatore Bonaccorso <carnil@debian.org>:
New Bug report received and forwarded. Copy sent to carnil@debian.org, team@security.debian.org, Simon Kelley <simon@thekelleys.org.uk>. (Sat, 18 Mar 2023 19:54:04 GMT) (full text, mbox, link).


Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: Salvatore Bonaccorso <carnil@debian.org>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: dnsmasq: CVE-2023-28450
Date: Sat, 18 Mar 2023 20:51:41 +0100
Source: dnsmasq
Version: 2.89-1
Severity: important
Tags: security upstream
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>

Hi,

The following vulnerability was published for dnsmasq.

CVE-2023-28450[0]:
| An issue was discovered in Dnsmasq before 2.90. The default maximum
| EDNS.0 UDP packet size was set to 4096 but should be 1232 because of
| DNS Flag Day 2020.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2023-28450
    https://www.cve.org/CVERecord?id=CVE-2023-28450
[1] https://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=eb92fb32b746f2104b0f370b5b295bb8dd4bd5e5

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore



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