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OVAL Definitions
>
OVAL Definition Details
Id
oval:ru.altx-soft.nix:def:547
[Eng]
Version
6
Class
patch
ALTXid
34942
Language
Russian
Severity
NotAvailable
Title
Обновление DSA-1845-1 linux-2.6 - отказ в обслуживании, повышение привилегий
Description
Several vulnerabilities have been discovered in the Linux kernel that may lead to a denial of service, or privilege escalation. The Common Vulnerabilities and Exposures project identifies the following problems: Julien Tinnes and Tavis Ormandy reported an issue in the Linux personality code. Local users can take advantage of a setuid binary that can either be made to dereference a NULL pointer or drop privileges and return control to the user. This allows a user to bypass mmap_min_addr restrictions which can be exploited to execute arbitrary code. Matt T. Yourst discovered an issue in the kvm subsystem. Local users with permission to manipulate /dev/kvm can cause a denial of service (hang) by providing an invalid cr3 value to the KVM_SET_SREGS call. Ramon de Carvalho Valle discovered two issues with the eCryptfs layered filesystem using the fsfuzzer utility. A local user with permissions to perform an eCryptfs mount may modify the contents of a eCryptfs file, overflowing the stack and potentially gaining elevated privileges.
Family
unix
Platform
Debian GNU/Linux 5.0
Product
linux-2.6
Reference
VENDOR: DSA-1845-1
VENDOR: DSA-1845-1
Id:
DSA-1845-1
Reference:
http://www.debian.org/security/2009/dsa-1845
CVE: CVE-2009-1895
CVE: CVE-2009-1895
Id:
CVE-2009-1895
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1895
Comment
: The personality subsystem in the Linux kernel before 2.6.31-rc3 has a PER_CLEAR_ON_SETID setting that does not clear the ADDR_COMPAT_LAYOUT and MMAP_PAGE_ZERO flags when executing a setuid or setgid program, which makes it easier for local users to leverage the details of memory usage to (1) conduct NULL pointer dereference attacks, (2) bypass the mmap_min_addr protection mechanism, or (3) defeat address space layout randomization (ASLR).
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:
16 (Configuration)
References:
https://bugs.launchpad.net/bugs/cve/2009-1895 (CONFIRM)
http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.31-rc3 (CONFIRM)
ADV-2009-1866 (VUPEN)
35647 (BID)
55807 (OSVDB)
http://patchwork.kernel.org/patch/32598/ (CONFIRM)
35801 (SECUNIA)
http://blog.cr0.org/2009/06/bypassing-linux-null-pointer.html (MISC)
USN-807-1 (UBUNTU)
36054 (SECUNIA)
36045 (SECUNIA)
36051 (SECUNIA)
FEDORA-2009-8144 (FEDORA)
FEDORA-2009-8264 (FEDORA)
http://wiki.rpath.com/Advisories:rPSA-2009-0111 (CONFIRM)
36116 (SECUNIA)
RHSA-2009:1193 (REDHAT)
36131 (SECUNIA)
36759 (SECUNIA)
RHSA-2009:1438 (REDHAT)
RHSA-2009:1540 (REDHAT)
RHSA-2009:1550 (REDHAT)
http://www.vmware.com/security/advisories/VMSA-2009-0016.html (CONFIRM)
ADV-2009-3316 (VUPEN)
37471 (SECUNIA)
MDVSA-2011:051 (MANDRIVA)
DSA-1844 (DEBIAN)
DSA-1845 (DEBIAN)
oval:org.mitre.oval:def:9453 (OVAL)
oval:org.mitre.oval:def:7826 (OVAL)
oval:org.mitre.oval:def:11768 (OVAL)
20100625 VMSA-2010-0010 ESX 3.5 third party update for Service Console kernel (BUGTRAQ)
20091120 VMSA-2009-0016 VMware vCenter and ESX update release and vMA patch release address multiple security issue in third party components (BUGTRAQ)
20090724 rPSA-2009-0111-1 kernel (BUGTRAQ)
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f9fabcb58a6d26d6efde842d1703ac7cfa9427b6 (MISC)
CVE: CVE-2009-2287
CVE: CVE-2009-2287
Id:
CVE-2009-2287
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-2287
Comment
: The kvm_arch_vcpu_ioctl_set_sregs function in the KVM in Linux kernel 2.6 before 2.6.30, when running on x86 systems, does not validate the page table root in a KVM_SET_SREGS call, which allows local users to cause a denial of service (crash or hang) via a crafted cr3 value, which triggers a NULL pointer dereference in the gfn_to_rmap function.
CVSSv2 Score:
4.9
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:N/I:N/A:C
CWE:
476 (NULL Pointer Dereference)
References:
http://sourceforge.net/tracker/?func=detail&atid=893831&aid=2687641&group_id=180599 (CONFIRM)
[oss-security] 20090630 CVE Request: kernel: kvm: failure to validate cr3 after KVM_SET_SREGS (MLIST)
35675 (SECUNIA)
USN-807-1 (UBUNTU)
36054 (SECUNIA)
36045 (SECUNIA)
DSA-1845 (DEBIAN)
MDVSA-2010:198 (MANDRIVA)
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=59839dfff5eabca01cc4e20b45797a60a80af8cb ()
http://git.kernel.org/?p=linux/kernel/git/stable/stable-queue.git%3Ba=blob%3Bf=queue-2.6.30/kvm-x86-check-for-cr3-validity-in-ioctl_set_sregs.patch%3Bh=b48a47dad2cf76358b327368f80c0805e6370c68%3Bhb=e7c45b24f298b5d9efd7d401150f64a1b51aaac4 ()
CVE: CVE-2009-2406
CVE: CVE-2009-2406
Id:
CVE-2009-2406
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-2406
Comment
: Stack-based buffer overflow in the parse_tag_11_packet function in fs/ecryptfs/keystore.c in the eCryptfs subsystem in the Linux kernel before 2.6.30.4 allows local users to cause a denial of service (system crash) or possibly gain privileges via vectors involving a crafted eCryptfs file, related to not ensuring that the key signature length in a Tag 11 packet is compatible with the key signature buffer size.
CVSSv2 Score:
6.9
Access vector:
LOCAL
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
COMPLETE
Integrity impact:
COMPLETE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:M/Au:N/C:C/I:C/A:C
CWE:
119 (Improper Restriction of Operations within the Bounds of a Memory Buffer)
References:
ADV-2009-2041 (VUPEN)
36045 (SECUNIA)
DSA-1845 (DEBIAN)
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.30.4 (CONFIRM)
36054 (SECUNIA)
http://risesecurity.org/advisories/RISE-2009002.txt (MISC)
35851 (BID)
35985 (SECUNIA)
USN-807-1 (UBUNTU)
36051 (SECUNIA)
DSA-1844 (DEBIAN)
FEDORA-2009-8264 (FEDORA)
FEDORA-2009-8144 (FEDORA)
36116 (SECUNIA)
1022663 (SECTRACK)
36131 (SECUNIA)
RHSA-2009:1193 (REDHAT)
SUSE-SR:2009:015 (SUSE)
http://www.vmware.com/security/advisories/VMSA-2009-0016.html (CONFIRM)
37471 (SECUNIA)
ADV-2009-3316 (VUPEN)
MDVSA-2011:029 (MANDRIVA)
oval:org.mitre.oval:def:8246 (OVAL)
oval:org.mitre.oval:def:10072 (OVAL)
20091120 VMSA-2009-0016 VMware vCenter and ESX update release and vMA patch release address multiple security issue in third party components (BUGTRAQ)
20090728 [RISE-2009002] Linux eCryptfs parse_tag_11_packet Literal Data Buffer Overflow Vulnerability (BUGTRAQ)
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6352a29305373ae6196491e6d4669f301e26492e (MISC)
CVE: CVE-2009-2407
CVE: CVE-2009-2407
Id:
CVE-2009-2407
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-2407
Comment
: Heap-based buffer overflow in the parse_tag_3_packet function in fs/ecryptfs/keystore.c in the eCryptfs subsystem in the Linux kernel before 2.6.30.4 allows local users to cause a denial of service (system crash) or possibly gain privileges via vectors involving a crafted eCryptfs file, related to a large encrypted key size in a Tag 3 packet.
CVSSv2 Score:
6.9
Access vector:
LOCAL
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
COMPLETE
Integrity impact:
COMPLETE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:M/Au:N/C:C/I:C/A:C
CWE:
119 (Improper Restriction of Operations within the Bounds of a Memory Buffer)
References:
http://risesecurity.org/advisories/RISE-2009003.txt (MISC)
36054 (SECUNIA)
35850 (BID)
DSA-1844 (DEBIAN)
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.30.4 (CONFIRM)
DSA-1845 (DEBIAN)
36045 (SECUNIA)
ADV-2009-2041 (VUPEN)
35985 (SECUNIA)
36051 (SECUNIA)
USN-807-1 (UBUNTU)
FEDORA-2009-8144 (FEDORA)
FEDORA-2009-8264 (FEDORA)
36116 (SECUNIA)
RHSA-2009:1193 (REDHAT)
36131 (SECUNIA)
SUSE-SR:2009:015 (SUSE)
ADV-2009-3316 (VUPEN)
37471 (SECUNIA)
http://www.vmware.com/security/advisories/VMSA-2009-0016.html (CONFIRM)
oval:org.mitre.oval:def:8057 (OVAL)
oval:org.mitre.oval:def:11255 (OVAL)
20091120 VMSA-2009-0016 VMware vCenter and ESX update release and vMA patch release address multiple security issue in third party components (BUGTRAQ)
20090728 [RISE-2009003] Linux eCryptfs parse_tag_3_packet Encrypted Key Buffer Overflow Vulnerability (BUGTRAQ)
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f151cd2c54ddc7714e2f740681350476cda03a28 (MISC)
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