Debian Linux Security Advisory 5647-1 - Several vulnerabilities have been discovered in Samba, a SMB/CIFS file, print, and login server for Unix, which might result in denial of service or information disclosure.
1bf3eff1b405cc8734e78a924bf59118ea64667832f1c6ee614a890520f6a767Gentoo Linux Security Advisory 202310-6 - Multiple vulnerabilities have been discovered in Heimdal, the worst of which could lead to remote code execution on a KDC. Versions greater than or equal to 7.8.0-r1 are affected.
27611271da9764cfeb6bf4345cc8b0a457073005b818ba42fe2a3f1b4b278d83Ubuntu Security Notice 5936-1 - Evgeny Legerov discovered that Samba incorrectly handled buffers in certain GSSAPI routines of Heimdal. A remote attacker could possibly use this issue to cause Samba to crash, resulting in a denial of service. Tom Tervoort discovered that Samba incorrectly used weak rc4-hmac Kerberos keys. A remote attacker could possibly use this issue to elevate privileges.
5e8eabbc49599e8552ae631bd9c0e93e1ff9a293b7d443dd0d70363a66b8f346Ubuntu Security Notice 5822-2 - USN-5822-1 fixed vulnerabilities in Samba. The update for Ubuntu 20.04 LTS introduced regressions in certain environments. Pending investigation of these regressions, this update temporarily reverts the security fixes. It was discovered that Samba incorrectly handled the bad password count logic. It was discovered that Samba supported weak RC4/HMAC-MD5 in NetLogon Secure Channel. Greg Hudson discovered that Samba incorrectly handled PAC parsing. Joseph Sutton discovered that Samba could be forced to issue rc4-hmac encrypted Kerberos tickets.
f718e90d7add248ca99e3552b0f274b6f861ca5ceefde619cf3bde7fa83d130aUbuntu Security Notice 5822-1 - It was discovered that Samba incorrectly handled the bad password count logic. A remote attacker could possibly use this issue to bypass bad passwords lockouts. This issue was only addressed in Ubuntu 22.10. Evgeny Legerov discovered that Samba incorrectly handled buffers in certain GSSAPI routines of Heimdal. A remote attacker could possibly use this issue to cause Samba to crash, resulting in a denial of service.
7e28dc77ffbc9a0bdb6d12d1db8027cea88238b892667a9f4f8b17fd154d8b4fUbuntu Security Notice 5800-1 - It was discovered that Heimdal incorrectly handled certain SPNEGO tokens. A remote attacker could possibly use this issue to cause a denial of service. Evgeny Legerov discovered that Heimdal incorrectly handled memory when performing certain DES decryption operations. A remote attacker could use this issue to cause a denial of service, or possibly execute arbitrary code.
b0e2703f42318fc7c0a4e60c767ce87190f7c37446b669112673f0af14942855Debian Linux Security Advisory 5287-1 - Several vulnerabilities were discovered in Heimdal, an implementation of Kerberos 5 that aims to be compatible with MIT Kerberos.
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