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CVE-2009-2406

Date: July 31, 2009

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.

Language: C

Severity Score

7.4

Related Resources (31)

Url: http://secunia.com/advisories/35985

Url: http://www.securitytracker.com/id?1022663

Url: http://www.vupen.com/english/advisories/2009/3316

Url: http://www.redhat.com/support/errata/RHSA-2009-1193.html

Url: http://secunia.com/advisories/36131

Url: http://secunia.com/advisories/36054

Url: http://www.vupen.com/english/advisories/2009/2041

Url: http://lists.opensuse.org/opensuse-security-announce/2009-09/msg00001.html

Url: http://secunia.com/advisories/36116

Url: https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8246

Url: https://nvd.nist.gov/vuln/detail/CVE-2009-2406

Url: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6352a29305373ae6196491e6d4669f301e26492e

Url: http://www.securityfocus.com/bid/35851

Url: http://secunia.com/advisories/37471

Url: http://www.ubuntu.com/usn/usn-807-1

Url: https://access.redhat.com/security/cve/CVE-2009-2406

Url: https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00223.html

Url: http://www.debian.org/security/2009/dsa-1844

Url: http://www.debian.org/security/2009/dsa-1845

Url: http://www.securityfocus.com/archive/1/505334/100/0/threaded

Url: http://www.vmware.com/security/advisories/VMSA-2009-0016.html

Url: http://secunia.com/advisories/36045

Url: https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10072

Url: http://www.securityfocus.com/archive/1/507985/100/0/threaded

Url: http://secunia.com/advisories/36051

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2009-2406

Url: http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.30.4

Url: https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00166.html

Url: http://www.mandriva.com/security/advisories?name=MDVSA-2011:029

Url: http://risesecurity.org/advisories/RISE-2009002.txt

Url: https://www.mend.io/vulnerability-database/CVE-2009-2406

Severity Score

7.4

Weakness Type (CWE)

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-119

CVSS v3.1

Base Score:	7.4
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	HIGH
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	6.9
Access Vector (AV):	LOCAL
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	COMPLETE
Integrity (I):	COMPLETE
Availability (A):	COMPLETE
Additional information:

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CVE-2009-2406

Date: July 31, 2009

Language: C

Severity Score

Related Resources (31)

Severity Score

Weakness Type (CWE)

CVSS v3.1

CVSS v2

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