Pufferüberlauf in GRUB
ID: | USN-2836-1 |
Distribution: | Ubuntu |
Plattformen: | Ubuntu 12.04 LTS, Ubuntu 14.04 LTS, Ubuntu 15.04, Ubuntu 15.10 |
Datum: | Di, 15. Dezember 2015, 22:48 |
Referenzen: | http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8370 |
Applikationen: | GRUB |
Originalnachricht |
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This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --===============6251344557133485984== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="AfQqDBhRlSDNtgQ1dfrLNfRDVHQMHKaw9" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --AfQqDBhRlSDNtgQ1dfrLNfRDVHQMHKaw9 Content-Type: text/plain; charset=utf- Content-Transfer-Encoding: quoted-printable ========================================================================== Ubuntu Security Notice USN-2836-1 December 15, 2015 grub2 vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 15.10 - Ubuntu 15.04 - Ubuntu 14.04 LTS - Ubuntu 12.04 LTS Summary: GRUB password protection can be bypassed. Software Description: - grub2: GRand Unified Bootloader Details: Hector Marco and Ismael Ripoll discovered that GRUB incorrectly handled the backspace key when configured to use authentication. A local attacker could use this issue to bypass GRUB password protection. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 15.10: grub2-common 2.02~beta2-29ubuntu0.2 Ubuntu 15.04: grub2-common 2.02~beta2-22ubuntu1.4 Ubuntu 14.04 LTS: grub2-common 2.02~beta2-9ubuntu1.6 Ubuntu 12.04 LTS: grub2-common 1.99-21ubuntu3.19 After a standard system update you need to reboot your computer to make all the necessary changes. References: http://www.ubuntu.com/usn/usn-2836-1 CVE-2015-8370 Package Information: https://launchpad.net/ubuntu/+source/grub2/2.02~beta2-29ubuntu0.2 https://launchpad.net/ubuntu/+source/grub2/2.02~beta2-22ubuntu1.4 https://launchpad.net/ubuntu/+source/grub2/2.02~beta2-9ubuntu1.6 https://launchpad.net/ubuntu/+source/grub2/1.99-21ubuntu3.19 --AfQqDBhRlSDNtgQ1dfrLNfRDVHQMHKaw9 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 iQIcBAEBCgAGBQJWcHEjAAoJEGVp2FWnRL6TnZsP/2Ke8EtOIYXPuSjq1JR+CAs+ 7KQhc2WWMYjnKzF3kHzi782cV7mDX99XswcFJq1vs6txoGk1J2S+I8LeyccGKGBK HOUNUBbvjIbjxX0wZubklfM2LLuX/6Zgn9lTIIym8PA4K8b17K99/NciQDrmVaa8 +jtPyA9GWYYUc3Fx11uSWeC8KprqbSsHi4tQBQgS4F4SbyFn8cC13+aserLyF3eS h4VabcXB6tydT5FlAbd2nFXPCumvGkt7Q8fPScXISk9Z2jwmZ4yjer5ok0Zog8dH Uy9viCJq0GHuUwUQJBX1WvaHIH6OTQj4AjcrGrA7ZXmIo2VNUV5PjqMQYU+8cALa 0u6d3spKfMK+KKo0m1jwY4tFfOx5/MlREnCvhM8rEJHKo4goBZ+3k2sWLHr/0Aur vUq1auFvtfShANXZaqs202Cqwq1YNSD2Lyth3ddG7M11MRbkvL1UyIjabN+oz3rx wqTeUtzlrgQNekN8K7QJfiEfJ/kuM5hK505c+Sqn1c6dhAxXFTXBD0YtDebNGQuy jnyiUulfhNSkOLvrUKFY3EnTwH2kb95phd2YuKc3AM5IkHExDS9FOEajZFpFUkSo gQnaw/w+X5G70rq8MgD7GDqmXve+Hocmem2I3s4Q09ZvgKNLdwIQ7pZ/S1gQBcAC 5Xc0d8fCEp5OvZeXyPwu =hWmL -----END PGP SIGNATURE----- --AfQqDBhRlSDNtgQ1dfrLNfRDVHQMHKaw9-- --===============6251344557133485984== 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 --===============6251344557133485984==-- |