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CVE-2011-4913

Date: June 21, 2012

The rose_parse_ccitt function in net/rose/rose_subr.c in the Linux kernel before 2.6.39 does not validate the FAC_CCITT_DEST_NSAP and FAC_CCITT_SRC_NSAP fields, which allows remote attackers to (1) cause a denial of service (integer underflow, heap memory corruption, and panic) via a small length value in data sent to a ROSE socket, or (2) conduct stack-based buffer overflow attacks via a large length value in data sent to a ROSE socket.

Language: C

Severity Score

Related Resources (9)

https://github.com/torvalds/linux/commit/be20250c13f88375345ad99950190685eda51eb8
http://www.openwall.com/lists/oss-security/2011/12/28/2
https://bugzilla.redhat.com/show_bug.cgi?id=770777
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=be20250c13f88375345ad99950190685eda51eb8
https://nvd.nist.gov/vuln/detail/CVE-2011-4913
https://people.canonical.com/~ubuntu-security/cve/CVE-2011-4913
https://www.mend.io/vulnerability-database/CVE-2011-4913

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

CVSS v3.1

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

CVSS v2

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

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