SUSE SLED12 / SLES12 Security Update : grub2 (SUSE-SU-2015:2387-1)

medium Nessus Plugin ID 87670

Synopsis

The remote SUSE host is missing one or more security updates.

Description

- Fix buffer overflows when reading username and password.
(bsc#956631, CVE-2015-8370)

- Check MS-DOS header to find PE file header. (bsc#954126)

- Use dirname for copying Xen kernel and initrd to esp.
(bsc#955493)

- Fix reading password by grub2-mkpasswd-pbdk2 without controlling tty. (bsc#954519)

- Add luks, gcry_rijndael and gcry_sha1 to signed EFI image to support LUKS partition in default setup.
(bsc#917427, bsc#955609)

- Expand list of grub.cfg search path in PV Xen guests for systems installed on btrfs snapshots. (bsc#946148, bsc#952539)

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

To install this SUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Server 12-SP1 :

zypper in -t patch SUSE-SLE-SERVER-12-SP1-2015-1027=1

SUSE Linux Enterprise Desktop 12-SP1 :

zypper in -t patch SUSE-SLE-DESKTOP-12-SP1-2015-1027=1

To bring your system up-to-date, use 'zypper patch'.

See Also

https://bugzilla.suse.com/show_bug.cgi?id=774666

https://bugzilla.suse.com/show_bug.cgi?id=917427

https://bugzilla.suse.com/show_bug.cgi?id=946148

https://bugzilla.suse.com/show_bug.cgi?id=952539

https://bugzilla.suse.com/show_bug.cgi?id=954126

https://bugzilla.suse.com/show_bug.cgi?id=954519

https://bugzilla.suse.com/show_bug.cgi?id=955493

https://bugzilla.suse.com/show_bug.cgi?id=955609

https://bugzilla.suse.com/show_bug.cgi?id=956631

https://www.suse.com/security/cve/CVE-2015-8370/

http://www.nessus.org/u?7b311d5f

Plugin Details

Severity: Medium

ID: 87670

File Name: suse_SU-2015-2387-1.nasl

Version: 2.7

Type: local

Agent: unix

Published: 12/30/2015

Updated: 1/6/2021

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.9

Temporal Score: 5.1

Vector: CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:grub2, p-cpe:/a:novell:suse_linux:grub2-debuginfo, p-cpe:/a:novell:suse_linux:grub2-debugsource, p-cpe:/a:novell:suse_linux:grub2-i386-pc, p-cpe:/a:novell:suse_linux:grub2-s390x-emu, p-cpe:/a:novell:suse_linux:grub2-x86_64-efi, p-cpe:/a:novell:suse_linux:grub2-x86_64-xen, cpe:/o:novell:suse_linux:12

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 12/29/2015

Vulnerability Publication Date: 12/16/2015

Reference Information

CVE: CVE-2015-8370