Mehrere Probleme in Linux-PAM (Aktualisierung)
ID: | USN-2935-2 |
Distribution: | Ubuntu |
Plattformen: | Ubuntu 12.04 LTS, Ubuntu 14.04 LTS, Ubuntu 15.10 |
Datum: | Mi, 16. März 2016, 23:55 |
Referenzen: | http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-7041
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-3238 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-2583 |
Applikationen: | Linux-PAM |
Update von: | Mehrere Probleme in Linux-PAM |
Originalnachricht |
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This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --===============0991994691522123055== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="E5XF0nG7QcRbRm7pkumatTu7926kgEOq3" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --E5XF0nG7QcRbRm7pkumatTu7926kgEOq3 Content-Type: text/plain; charset=utf- Content-Transfer-Encoding: quoted-printable ========================================================================== Ubuntu Security Notice USN-2935-2 March 16, 2016 pam regression ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 15.10 - Ubuntu 14.04 LTS - Ubuntu 12.04 LTS Summary: USN-2935-1 introduced a regression in PAM. Software Description: - pam: Pluggable Authentication Modules Details: USN-2935-1 fixed vulnerabilities in PAM. The updates contained a packaging change that prevented upgrades in certain multiarch environments. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that the PAM pam_userdb module incorrectly used a case-insensitive method when comparing hashed passwords. A local attacker could possibly use this issue to make brute force attacks easier. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2013-7041) Sebastian Krahmer discovered that the PAM pam_timestamp module incorrectly performed filtering. A local attacker could use this issue to create arbitrary files, or possibly bypass authentication. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2014-2583) Sebastien Macke discovered that the PAM pam_unix module incorrectly handled large passwords. A local attacker could possibly use this issue in certain environments to enumerate usernames or cause a denial of service. (CVE-2015-3238) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 15.10: libpam-modules 1.1.8-3.1ubuntu3.2 Ubuntu 14.04 LTS: libpam-modules 1.1.8-1ubuntu2.2 Ubuntu 12.04 LTS: libpam-modules 1.1.3-7ubuntu2.2 In general, a standard system update will make all the necessary changes. References: http://www.ubuntu.com/usn/usn-2935-2 http://www.ubuntu.com/usn/usn-2935-1 https://launchpad.net/bugs/1558114 Package Information: https://launchpad.net/ubuntu/+source/pam/1.1.8-3.1ubuntu3.2 https://launchpad.net/ubuntu/+source/pam/1.1.8-1ubuntu2.2 https://launchpad.net/ubuntu/+source/pam/1.1.3-7ubuntu2.2 --E5XF0nG7QcRbRm7pkumatTu7926kgEOq3 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCgAGBQJW6bQMAAoJEGVp2FWnRL6TFfkQAItUTHN5HRfJ12QSr//mCudH R1LYaes4OppjMFLji9TMcmYBGXMgvrE9VFG5tnvzOFLsGctR3KpJVHXHppYp532T WTJgKzwgyfCiKJATWiNtUX0vE0971jsr1mxk5DcH2w77ChoIrhuxN1cEhudEK/pi TSfOEMELpyheknwnmLWF523gY5AZzytyHtAOrYacAzsXyUEFDLLCUNizAS8CG1QN EbobCQSws2hPdVagScoYs3Lh7neGZWR6NdGruVGM4u9UKuePkNMeuaOVjpJ2mUz7 9wWpgmiKIQ96t+7hy97t5nZlkQsl20t/eLPbukSev5KXEjDuWgX61pCx8fSyRUNE sQn4Wt5vdjCawIju8k77sWbjLoSXlIrtVjXjf4Xr3qY1SCF2j5jubI3jXjH7CMZc kZHteBeqCV+K/oNqjd7qR8Aqh/d/8V3d/9/ZE4QAXzqROw4TurBty4H7oGggo0Up z2s/L12+EEeVPn5Kb3I+6oPUtv7UoJNA+nPRb3h6GmFdjMfAWojY2FDgwDf6gHsp vXWGt8KkdVldwdyseTPPrmKUyJPYcWhDlIQXtGPOwS2YUfq9FO3th6CpLPXl/jbr 7ODhVPs5a1z96Cr5aoxt8B6MFkKEB0Hik5PKcRFDf4/+diJUEdtPh0B8LC0Zyyl4 kgx/23hRXlkJPBS9Ojl8 =wuk4 -----END PGP SIGNATURE----- --E5XF0nG7QcRbRm7pkumatTu7926kgEOq3-- --===============0991994691522123055== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline -- ubuntu-security-announce mailing list ubuntu-security-announce@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-security-announce --===============0991994691522123055==-- |