CVE-2023-41045

Graylog is a free and open log management platform. Graylog makes use of only one single source port for DNS queries. Graylog binds a single socket for outgoing DNS queries and while that socket is bound to a random port number it is never changed again. This goes against recommended practice since 2008, when Dan Kaminsky discovered how easy is to carry out DNS cache poisoning attacks. In order to prevent cache poisoning with spoofed DNS responses, it is necessary to maximise the uncertainty in the choice of a source port for a DNS query. Although unlikely in many setups, an external attacker could inject forged DNS responses into a Graylog's lookup table cache. In order to prevent this, it is at least recommendable to distribute the DNS queries through a pool of distinct sockets, each of them with a random source port and renew them periodically. This issue has been addressed in versions 5.0.9 and 5.1.3. Users are advised to upgrade. There are no known workarounds for this issue.
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:graylog:graylog:*:*:*:*:*:*:*:*
cpe:2.3:a:graylog:graylog:*:*:*:*:*:*:*:*

History

06 Sep 2023, 20:02

Type Values Removed Values Added
First Time Graylog graylog
Graylog
CPE cpe:2.3:a:graylog:graylog:*:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 5.3
References (MISC) https://github.com/Graylog2/graylog2-server/commit/466af814523cffae9fbc7e77bab7472988f03c3e - (MISC) https://github.com/Graylog2/graylog2-server/commit/466af814523cffae9fbc7e77bab7472988f03c3e - Patch
References (MISC) https://github.com/Graylog2/graylog2-server/commit/a101f4f12180fd3dfa7d3345188a099877a3c327 - (MISC) https://github.com/Graylog2/graylog2-server/commit/a101f4f12180fd3dfa7d3345188a099877a3c327 - Patch
References (MISC) https://github.com/Graylog2/graylog2-server/security/advisories/GHSA-g96c-x7rh-99r3 - (MISC) https://github.com/Graylog2/graylog2-server/security/advisories/GHSA-g96c-x7rh-99r3 - Exploit, Vendor Advisory

31 Aug 2023, 18:15

Type Values Removed Values Added
New CVE

Information

Published : 2023-08-31 18:15

Updated : 2023-12-10 15:14


NVD link : CVE-2023-41045

Mitre link : CVE-2023-41045

CVE.ORG link : CVE-2023-41045


JSON object : View

Products Affected

graylog

  • graylog
CWE
CWE-345

Insufficient Verification of Data Authenticity