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CVE-2011-1770

Date: June 24, 2011

Integer underflow in the dccp_parse_options function (net/dccp/options.c) in the Linux kernel before 2.6.33.14 allows remote attackers to cause a denial of service via a Datagram Congestion Control Protocol (DCCP) packet with an invalid feature options length, which triggers a buffer over-read.

Language: C

Severity Score

Related Resources (14)

http://marc.info/?l=linux-kernel&m=130469305815140&w=2
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061366.html
http://www.securityfocus.com/bid/47769
http://www.kernel.org/pub/linux/kernel/v2.6/longterm/v2.6.33/ChangeLog-2.6.33.14
http://marc.info/?l=linux-kernel&m=130468845209036&w=2
https://bugzilla.redhat.com/show_bug.cgi?id=703011
https://nvd.nist.gov/vuln/detail/CVE-2011-1770
http://www.securitytracker.com/id?1025592
https://people.canonical.com/~ubuntu-security/cve/CVE-2011-1770
https://access.redhat.com/security/cve/CVE-2011-1770
http://secunia.com/advisories/44932
http://securityreason.com/securityalert/8286
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061236.html
https://www.mend.io/vulnerability-database/CVE-2011-1770

Severity Score

Weakness Type (CWE)

Numeric Errors

CWE-189

Integer Underflow (Wrap or Wraparound)

CWE-191

CVSS v3.1

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