CVE-2023-41045 (GCVE-0-2023-41045)
Vulnerability from cvelistv5
Published
2023-08-31 17:59
Modified
2024-10-01 16:56
Severity ?
3.7 (Low) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
CWE
  • CWE-345 - Insufficient Verification of Data Authenticity
Summary
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.
References
security-advisories@github.comhttps://github.com/Graylog2/graylog2-server/commit/466af814523cffae9fbc7e77bab7472988f03c3ePatch
security-advisories@github.comhttps://github.com/Graylog2/graylog2-server/commit/a101f4f12180fd3dfa7d3345188a099877a3c327Patch
security-advisories@github.comhttps://github.com/Graylog2/graylog2-server/security/advisories/GHSA-g96c-x7rh-99r3Exploit, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/Graylog2/graylog2-server/commit/466af814523cffae9fbc7e77bab7472988f03c3ePatch
af854a3a-2127-422b-91ae-364da2661108https://github.com/Graylog2/graylog2-server/commit/a101f4f12180fd3dfa7d3345188a099877a3c327Patch
af854a3a-2127-422b-91ae-364da2661108https://github.com/Graylog2/graylog2-server/security/advisories/GHSA-g96c-x7rh-99r3Exploit, Vendor Advisory
Impacted products
Vendor Product Version
Graylog2 graylog2-server Version: < 5.0.9
Version: >= 5.1.0, < 5.1.3
 Create a notification for this product.
Show details on NVD website

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