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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:13482
[Rus]
Version
9
Class
patch
ALTXid
28053
Language
English
Severity
NotAvailable
Title
USN-776-1 -- kvm vulnerabilities
Description
Avi Kivity discovered that KVM did not correctly handle certain disk formats. A local attacker could attach a malicious partition that would allow the guest VM to read files on the VM host. Alfredo Ortega discovered that KVM"s VNC protocol handler did not correctly validate certain messages. A remote attacker could send specially crafted VNC messages that would cause KVM to consume CPU resources, leading to a denial of service. Jan Niehusmann discovered that KVM"s Cirrus VGA implementation over VNC did not correctly handle certain bitblt operations. A local attacker could exploit this flaw to potentially execute arbitrary code on the VM host or crash KVM, leading to a denial of service. It was discovered that KVM"s VNC password checks did not use the correct length. A remote attacker could exploit this flaw to cause KVM to crash, leading to a denial of service
Family
unix
Platform
Ubuntu 8.04
Ubuntu 8.10
Product
kvm
Reference
VENDOR: USN-776-1
VENDOR: USN-776-1
Id:
USN-776-1
Reference:
https://usn.ubuntu.com/usn/usn-776-1
CVE: CVE-2008-5714
CVE: CVE-2008-5714
Id:
CVE-2008-5714
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5714
Comment
: Off-by-one error in monitor.c in Qemu 0.9.1 might make it easier for remote attackers to guess the VNC password, which is limited to seven characters where eight was intended.
CVSSv2 Score:
7.8
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
COMPLETE
Integrity impact:
NONE
Availability impact:
NONE
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:C/I:N/A:N
CWE:
189 (Numeric Errors)
References:
[qemu-devel] 20081123 [PATCH] Fix off-by-one bug limiting VNC passwords to 7 chars (MLIST)
[qemu-devel] 20081210 Re: [RESEND] [PATCH v2] Fix off-by-one bug limiting VNC passwords to 7 chars (MLIST)
SUSE-SR:2009:002 (SUSE)
SUSE-SR:2009:008 (SUSE)
33568 (SECUNIA)
34642 (SECUNIA)
35062 (SECUNIA)
http://svn.savannah.gnu.org/viewvc/?view=rev&root=qemu&revision=5966 (CONFIRM)
http://svn.savannah.gnu.org/viewvc/trunk/monitor.c?root=qemu&r1=5966&r2=5965&pathrev=5966 (CONFIRM)
33020 (BID)
USN-776-1 (UBUNTU)
qemu-monitor-weak-security(47683) (XF)
CVE: CVE-2008-4539
CVE: CVE-2008-4539
Id:
CVE-2008-4539
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4539
Comment
: Heap-based buffer overflow in the Cirrus VGA implementation in (1) KVM before kvm-82 and (2) QEMU on Debian GNU/Linux and Ubuntu might allow local users to gain privileges by using the VNC console for a connection, aka the LGD-54XX "bitblt" heap overflow. NOTE: this issue exists because of an incorrect fix for CVE-2007-1320.
CVSSv2 Score:
7.2
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
COMPLETE
Integrity impact:
COMPLETE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:C/I:C/A:C
CWE:
119 (Improper Restriction of Operations within the Bounds of a Memory Buffer)
References:
25073 (SECUNIA)
https://bugzilla.redhat.com/show_bug.cgi?id=237342 (CONFIRM)
33350 (SECUNIA)
FEDORA-2008-11705 (FEDORA)
[debian-devel-changes] 20081101 Accepted qemu 0.9.1+svn20081101-1 (source amd64) (MLIST)
https://bugzilla.redhat.com/show_bug.cgi?id=466890 (CONFIRM)
29129 (SECUNIA)
https://launchpad.net/ubuntu/jaunty/+source/qemu/0.9.1+svn20081112-1ubuntu1 (CONFIRM)
https://bugzilla.redhat.com/show_bug.cgi?id=448525 (CONFIRM)
http://svn.savannah.gnu.org/viewvc/?view=rev&root=qemu&revision=5587 (CONFIRM)
SUSE-SR:2009:008 (SUSE)
34642 (SECUNIA)
DSA-1799 (DEBIAN)
USN-776-1 (UBUNTU)
35031 (SECUNIA)
35062 (SECUNIA)
qemu-kvm-cirrusvga-bo(47736) (XF)
[secure-testing-commits] 20081103 r10251 - data/CVE ()
[cvs-all] 20081102 cvs commit: ports/emulators/qemu Makefile ports/emulators/qemu/files patch-CVE-2008-4539 ports/emulators/qemu-devel Makefile ports/emulators/qemu-devel/files patch-CVE-2008-4539 ()
http://git.kernel.dk/?p=qemu.git%3Ba=commitdiff%3Bh=65d35a09979e63541afc5bfc595b9f1b1b4ae069 ()
CVE: CVE-2008-2382
CVE: CVE-2008-2382
Id:
CVE-2008-2382
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2382
Comment
: The protocol_client_msg function in vnc.c in the VNC server in (1) Qemu 0.9.1 and earlier and (2) KVM kvm-79 and earlier allows remote attackers to cause a denial of service (infinite loop) via a certain message.
CVSSv2 Score:
5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P
CWE:
399 (Resource Management Errors)
References:
SUSE-SR:2009:002 (SUSE)
SUSE-SR:2009:008 (SUSE)
33293 (SECUNIA)
33303 (SECUNIA)
33350 (SECUNIA)
33568 (SECUNIA)
34642 (SECUNIA)
35062 (SECUNIA)
4803 (SREASON)
1021488 (SECTRACK)
1021489 (SECTRACK)
http://www.coresecurity.com/content/vnc-remote-dos (MISC)
20081222 CORE-2008-1210: Qemu and KVM VNC server remote DoS (BUGTRAQ)
32910 (BID)
USN-776-1 (UBUNTU)
ADV-2008-3488 (VUPEN)
ADV-2008-3489 (VUPEN)
qemu-kvm-protocolclientmsg-dos(47561) (XF)
FEDORA-2008-11705 (FEDORA)
CVE: CVE-2008-2004
CVE: CVE-2008-2004
Id:
CVE-2008-2004
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2004
Comment
: The drive_init function in QEMU 0.9.1 determines the format of a raw disk image based on the header, which allows local guest users to read arbitrary files on the host by modifying the header to identify a different format, which is used when the guest is restarted.
CVSSv2 Score:
4.9
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
COMPLETE
Integrity impact:
NONE
Availability impact:
NONE
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:C/I:N/A:N
CWE:
200 (Information Exposure)
References:
[Qemu-devel] 20080428 [4277] add format= to drive options (CVE-2008-2004) (MLIST)
29129 (SECUNIA)
29963 (SECUNIA)
30111 (SECUNIA)
30717 (SECUNIA)
35062 (SECUNIA)
http://svn.savannah.gnu.org/viewvc/?view=rev&root=qemu&revision=4277 (CONFIRM)
MDVSA-2008:162 (MANDRIVA)
SUSE-SR:2008:013 (SUSE)
RHSA-2008:0194 (REDHAT)
29101 (BID)
USN-776-1 (UBUNTU)
qemu-driveinit-security-bypass(42268) (XF)
oval:org.mitre.oval:def:11021 (OVAL)
CVE: CVE-2008-1945
CVE: CVE-2008-1945
Id:
CVE-2008-1945
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1945
Comment
: QEMU 0.9.0 does not properly handle changes to removable media, which allows guest OS users to read arbitrary files on the host OS by using the diskformat: parameter in the -usbdevice option to modify the disk-image header to identify a different format, a related issue to CVE-2008-2004.
CVSSv2 Score:
2.1
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
NONE
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:P/I:N/A:N
References:
SUSE-SR:2009:008 (SUSE)
32063 (SECUNIA)
32088 (SECUNIA)
34642 (SECUNIA)
35031 (SECUNIA)
35062 (SECUNIA)
DSA-1799 (DEBIAN)
MDVSA-2008:162 (MANDRIVA)
30604 (BID)
1020959 (SECTRACK)
USN-776-1 (UBUNTU)
qemu-image-security-bypass(44269) (XF)
oval:org.mitre.oval:def:9905 (OVAL)
RHSA-2008:0892 (REDHAT)
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