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SANS Stormcast Wednesday, May 21st 2025: Researchers Scanning the Internet; Forgotten DNS Records; openpgp.js Vulneraiblity

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Manage episode 483938463 series 19634
Content provided by SANS ISC Handlers and Johannes B. Ullrich. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by SANS ISC Handlers and Johannes B. Ullrich or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://podcastplayer.com/legal.
Researchers Scanning the Internet
A newish RFC, RFC 9511, suggests researchers identify themselves by adding strings to the traffic they send, or by operating web servers on machines from which the scan originates. We do offer lists of researchers and just added three new groups today
https://isc.sans.edu/diary/Researchers%20Scanning%20the%20Internet/31964
Cloudy with a change of Hijacking: Forgotten DNS Records
Organizations do not always remove unused CNAME records. An attacker may take advantage of this if an attacker is able to take possession of the now unused public cloud resource the name pointed to.
https://blogs.infoblox.com/threat-intelligence/cloudy-with-a-chance-of-hijacking-forgotten-dns-records-enable-scam-actor/
Message signature verification can be spoofed CVE-2025-47934
A vulnerability in openpgp.js may be used to spoof message signatures. openpgp.js is a popular library in systems implementing end-to-end encrypted browser applications.
https://github.com/openpgpjs/openpgpjs/security/advisories/GHSA-8qff-qr5q-5pr8
  continue reading

3036 episodes

Artwork
iconShare
 
Manage episode 483938463 series 19634
Content provided by SANS ISC Handlers and Johannes B. Ullrich. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by SANS ISC Handlers and Johannes B. Ullrich or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://podcastplayer.com/legal.
Researchers Scanning the Internet
A newish RFC, RFC 9511, suggests researchers identify themselves by adding strings to the traffic they send, or by operating web servers on machines from which the scan originates. We do offer lists of researchers and just added three new groups today
https://isc.sans.edu/diary/Researchers%20Scanning%20the%20Internet/31964
Cloudy with a change of Hijacking: Forgotten DNS Records
Organizations do not always remove unused CNAME records. An attacker may take advantage of this if an attacker is able to take possession of the now unused public cloud resource the name pointed to.
https://blogs.infoblox.com/threat-intelligence/cloudy-with-a-chance-of-hijacking-forgotten-dns-records-enable-scam-actor/
Message signature verification can be spoofed CVE-2025-47934
A vulnerability in openpgp.js may be used to spoof message signatures. openpgp.js is a popular library in systems implementing end-to-end encrypted browser applications.
https://github.com/openpgpjs/openpgpjs/security/advisories/GHSA-8qff-qr5q-5pr8
  continue reading

3036 episodes

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