SUSE SLES12 Security Update : qemu (SUSE-SU-2017:2969-1)

High Nessus Plugin ID 104495

Synopsis

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

Description

This update for qemu fixes several issues. These security issues were fixed :

- CVE-2017-15289: The mode4and5 write functions allowed local OS guest privileged users to cause a denial of service (out-of-bounds write access and Qemu process crash) via vectors related to dst calculation (bsc#1063122)

- CVE-2017-2633: The VNC display driver support was vulnerable to an out-of-bounds memory access issue. A user/process inside guest could use this flaw to cause DoS (bsc#1026612)

- CVE-2017-15038: Race condition in the v9fs_xattrwalk function local guest OS users to obtain sensitive information from host heap memory via vectors related to reading extended attributes (bsc#1062069)

- CVE-2017-14167: Integer overflow in the load_multiboot function allowed local guest OS users to execute arbitrary code on the host via crafted multiboot header address values, which trigger an out-of-bounds write (bsc#1057585)

- CVE-2017-11434: The dhcp_decode function in slirp/bootp.c allowed local guest OS users to cause a denial of service (out-of-bounds read) via a crafted DHCP options string (bsc#1049381)

- CVE-2017-11334: The address_space_write_continue function allowed local guest OS privileged users to cause a denial of service (out-of-bounds access and guest instance crash) by leveraging use of qemu_map_ram_ptr to access guest ram block area (bsc#1048902)

- CVE-2017-13672: The VGA display emulator support allowed local guest OS privileged users to cause a denial of service (out-of-bounds read and QEMU process crash) via vectors involving display update (bsc#1056334)

- CVE-2017-5973: A infinite loop while doing control transfer in xhci_kick_epctx allowed privileged user inside the guest to crash the host process resulting in DoS (bsc#1025109)

- CVE-2017-5987: The sdhci_sdma_transfer_multi_blocks function in hw/sd/sdhci.c allowed local OS guest privileged users to cause a denial of service (infinite loop and QEMU process crash) via vectors involving the transfer mode register during multi block transfer (bsc#1025311)

- CVE-2017-6505: The ohci_service_ed_list function allowed local guest OS users to cause a denial of service (infinite loop) via vectors involving the number of link endpoint list descriptors (bsc#1028184)

- CVE-2016-9603: A privileged user within the guest VM could have caused a heap overflow in the device model process, potentially escalating their privileges to that of the device model process (bsc#1028656)

- CVE-2017-7718: hw/display/cirrus_vga_rop.h allowed local guest OS privileged users to cause a denial of service (out-of-bounds read and QEMU process crash) via vectors related to copying VGA data via the cirrus_bitblt_rop_fwd_transp_ and cirrus_bitblt_rop_fwd_ functions (bsc#1034908)

- CVE-2017-7980: An out-of-bounds r/w access issues in the Cirrus CLGD 54xx VGA Emulator support allowed privileged user inside guest to use this flaw to crash the Qemu process resulting in DoS or potentially execute arbitrary code on a host with privileges of Qemu process on the host (bsc#1035406)

- CVE-2017-8112: hw/scsi/vmw_pvscsi.c allowed local guest OS privileged users to cause a denial of service (infinite loop and CPU consumption) via the message ring page count (bsc#1036211)

- CVE-2017-9375: The USB xHCI controller emulator support was vulnerable to an infinite recursive call loop issue, which allowed a privileged user inside guest to crash the Qemu process resulting in DoS (bsc#1042800)

- CVE-2017-9373: The IDE AHCI Emulation support was vulnerable to a host memory leakage issue, which allowed a privileged user inside guest to leak host memory resulting in DoS (bsc#1042801)

- CVE-2017-9330: USB OHCI Emulation in qemu allowed local guest OS users to cause a denial of service (infinite loop) by leveraging an incorrect return value (bsc#1042159)

- CVE-2017-8309: Memory leak in the audio/audio.c allowed remote attackers to cause a denial of service (memory consumption) by repeatedly starting and stopping audio capture (bsc#1037242)

- CVE-2017-7493: The VirtFS, host directory sharing via Plan 9 File System(9pfs) support, was vulnerable to an improper access control issue. It could occur while accessing virtfs metadata files in mapped-file security mode. A guest user could have used this flaw to escalate their privileges inside guest (bsc#1039495)

- CVE-2016-9602: The VirtFS host directory sharing via Plan 9 File System(9pfs) support was vulnerable to an improper link following issue which allowed a privileged user inside guest to access host file system beyond the shared folder and potentially escalating their privileges on a host (bsc#1020427)

- CVE-2017-5579: The 16550A UART serial device emulation support was vulnerable to a memory leakage issue allowing a privileged user to cause a DoS and/or potentially crash the Qemu process on the host (bsc#1021741)

- CVE-2017-9503: The MegaRAID SAS 8708EM2 Host Bus Adapter emulation support was vulnerable to a NULL pointer dereference issue which allowed a privileged user inside guest to crash the Qemu process on the host resulting in DoS (bsc#1043296)

- CVE-2017-10664: qemu-nbd did not ignore SIGPIPE, which allowed remote attackers to cause a denial of service (daemon crash) by disconnecting during a server-to-client reply attempt (bsc#1046636)

- CVE-2017-10806: Stack-based buffer overflow allowed local guest OS users to cause a denial of service (QEMU process crash) via vectors related to logging debug messages (bsc#1047674)

- CVE-2016-9602: The VirtFS host directory sharing via Plan 9 File System(9pfs) support was vulnerable to an improper link following issue which allowed a privileged user inside guest to access host file system beyond the shared folder and potentially escalating their privileges on a host (bsc#1020427)

- CVE-2017-7377: The v9fs_create and v9fs_lcreate functions in hw/9pfs/9p.c allowed local guest OS privileged users to cause a denial of service (file descriptor or memory consumption) via vectors related to an already in-use fid (bsc#1032075)

- CVE-2017-8086: A memory leak in the v9fs_list_xattr function in hw/9pfs/9p-xattr.c allowed local guest OS privileged users to cause a denial of service (memory consumption) via vectors involving the orig_value variable (bsc#1035950)

- CVE-2017-7471: The VirtFS host directory sharing via Plan 9 File System(9pfs) support was vulnerable to an improper access control issue which allowed a privileged user inside guest to access host file system beyond the shared folder and potentially escalating their privileges on a host (bsc#1034866)

- CVE-2016-6834: A infinite loop during packet fragmentation in the VMWARE VMXNET3 NIC device support allowed privileged user inside guest to crash the Qemu instance resulting in DoS (bsc#994418)

- CVE-2016-6835: Buffer overflow in the VMWARE VMXNET3 NIC device support, causing an OOB read access (bsc#994605)

- Fix privilege escalation in TCG mode (bsc#1030624)

The update package also includes non-security fixes. See advisory for details.

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-LTSS:zypper in -t patch SUSE-SLE-SERVER-12-2017-1839=1

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

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1020427

https://bugzilla.suse.com/show_bug.cgi?id=1021741

https://bugzilla.suse.com/show_bug.cgi?id=1025109

https://bugzilla.suse.com/show_bug.cgi?id=1025311

https://bugzilla.suse.com/show_bug.cgi?id=1026612

https://bugzilla.suse.com/show_bug.cgi?id=1028184

https://bugzilla.suse.com/show_bug.cgi?id=1028656

https://bugzilla.suse.com/show_bug.cgi?id=1030624

https://bugzilla.suse.com/show_bug.cgi?id=1032075

https://bugzilla.suse.com/show_bug.cgi?id=1034866

https://bugzilla.suse.com/show_bug.cgi?id=1034908

https://bugzilla.suse.com/show_bug.cgi?id=1035406

https://bugzilla.suse.com/show_bug.cgi?id=1035950

https://bugzilla.suse.com/show_bug.cgi?id=1036211

https://bugzilla.suse.com/show_bug.cgi?id=1037242

https://bugzilla.suse.com/show_bug.cgi?id=1039495

https://bugzilla.suse.com/show_bug.cgi?id=1042159

https://bugzilla.suse.com/show_bug.cgi?id=1042800

https://bugzilla.suse.com/show_bug.cgi?id=1042801

https://bugzilla.suse.com/show_bug.cgi?id=1043296

https://bugzilla.suse.com/show_bug.cgi?id=1045035

https://bugzilla.suse.com/show_bug.cgi?id=1046636

https://bugzilla.suse.com/show_bug.cgi?id=1047674

https://bugzilla.suse.com/show_bug.cgi?id=1048902

https://bugzilla.suse.com/show_bug.cgi?id=1049381

https://bugzilla.suse.com/show_bug.cgi?id=1056334

https://bugzilla.suse.com/show_bug.cgi?id=1057585

https://bugzilla.suse.com/show_bug.cgi?id=1062069

https://bugzilla.suse.com/show_bug.cgi?id=1063122

https://bugzilla.suse.com/show_bug.cgi?id=994418

https://bugzilla.suse.com/show_bug.cgi?id=994605

https://www.suse.com/security/cve/CVE-2016-6834/

https://www.suse.com/security/cve/CVE-2016-6835/

https://www.suse.com/security/cve/CVE-2016-9602/

https://www.suse.com/security/cve/CVE-2016-9603/

https://www.suse.com/security/cve/CVE-2017-10664/

https://www.suse.com/security/cve/CVE-2017-10806/

https://www.suse.com/security/cve/CVE-2017-11334/

https://www.suse.com/security/cve/CVE-2017-11434/

https://www.suse.com/security/cve/CVE-2017-13672/

https://www.suse.com/security/cve/CVE-2017-14167/

https://www.suse.com/security/cve/CVE-2017-15038/

https://www.suse.com/security/cve/CVE-2017-15289/

https://www.suse.com/security/cve/CVE-2017-2633/

https://www.suse.com/security/cve/CVE-2017-5579/

https://www.suse.com/security/cve/CVE-2017-5973/

https://www.suse.com/security/cve/CVE-2017-5987/

https://www.suse.com/security/cve/CVE-2017-6505/

https://www.suse.com/security/cve/CVE-2017-7377/

https://www.suse.com/security/cve/CVE-2017-7471/

https://www.suse.com/security/cve/CVE-2017-7493/

https://www.suse.com/security/cve/CVE-2017-7718/

https://www.suse.com/security/cve/CVE-2017-7980/

https://www.suse.com/security/cve/CVE-2017-8086/

https://www.suse.com/security/cve/CVE-2017-8112/

https://www.suse.com/security/cve/CVE-2017-8309/

https://www.suse.com/security/cve/CVE-2017-9330/

https://www.suse.com/security/cve/CVE-2017-9373/

https://www.suse.com/security/cve/CVE-2017-9375/

https://www.suse.com/security/cve/CVE-2017-9503/

http://www.nessus.org/u?902e96be

Plugin Details

Severity: High

ID: 104495

File Name: suse_SU-2017-2969-1.nasl

Version: 3.9

Type: local

Agent: unix

Published: 2017/11/10

Updated: 2018/11/30

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 9

Temporal Score: 6.7

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 9.9

Temporal Score: 8.6

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:qemu, p-cpe:/a:novell:suse_linux:qemu-block-curl, p-cpe:/a:novell:suse_linux:qemu-block-curl-debuginfo, p-cpe:/a:novell:suse_linux:qemu-block-rbd, p-cpe:/a:novell:suse_linux:qemu-block-rbd-debuginfo, p-cpe:/a:novell:suse_linux:qemu-debugsource, p-cpe:/a:novell:suse_linux:qemu-guest-agent, p-cpe:/a:novell:suse_linux:qemu-guest-agent-debuginfo, p-cpe:/a:novell:suse_linux:qemu-kvm, p-cpe:/a:novell:suse_linux:qemu-lang, p-cpe:/a:novell:suse_linux:qemu-s390, p-cpe:/a:novell:suse_linux:qemu-s390-debuginfo, p-cpe:/a:novell:suse_linux:qemu-tools, p-cpe:/a:novell:suse_linux:qemu-tools-debuginfo, p-cpe:/a:novell:suse_linux:qemu-x86, p-cpe:/a:novell:suse_linux:qemu-x86-debuginfo, cpe:/o:novell:suse_linux:12

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2017/11/09

Reference Information

CVE: CVE-2016-6834, CVE-2016-6835, CVE-2016-9602, CVE-2016-9603, CVE-2017-10664, CVE-2017-10806, CVE-2017-11334, CVE-2017-11434, CVE-2017-13672, CVE-2017-14167, CVE-2017-15038, CVE-2017-15289, CVE-2017-2633, CVE-2017-5579, CVE-2017-5973, CVE-2017-5987, CVE-2017-6505, CVE-2017-7377, CVE-2017-7471, CVE-2017-7493, CVE-2017-7718, CVE-2017-7980, CVE-2017-8086, CVE-2017-8112, CVE-2017-8309, CVE-2017-9330, CVE-2017-9373, CVE-2017-9375, CVE-2017-9503