Linux Kernel 3.10-rc5 UDP Packet net/ipv6/udp_offload.c udp6_ufo_fragment numeric error

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Linux Kernel 3.10-rc5. This issue affects the function udp6_ufo_fragment of the file net/ipv6/udp_offload.c of the component UDP Packet Handler. Executing a manipulation can lead to numeric error. The identification of this vulnerability is CVE-2013-4563. There is no exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability classified as critical was found in Linux Kernel 3.10-rc5 (Operating System). This vulnerability affects the function udp6_ufo_fragment of the file net/ipv6/udp_offload.c of the component UDP Packet Handler. The manipulation with an unknown input leads to a numeric error vulnerability. The CWE definition for the vulnerability is CWE-189. As an impact it is known to affect availability. CVE summarizes:

The udp6_ufo_fragment function in net/ipv6/udp_offload.c in the Linux kernel through 3.12, when UDP Fragmentation Offload (UFO) is enabled, does not properly perform a certain size comparison before inserting a fragment header, which allows remote attackers to cause a denial of service (panic) via a large IPv6 UDP packet, as demonstrated by use of the Token Bucket Filter (TBF) queueing discipline.

The weakness was shared 11/06/2013 by Saran Neti with TELUS Security Labs as CVE-2013-4563 -- Linux kernel: net: large udp packet over IPv6 over UFO-enabled device with TBF qdisc panic as not defined mailinglist post (oss-sec). The advisory is shared for download at seclists.org. This vulnerability was named CVE-2013-4563 since 06/12/2013. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 72578 (Ubuntu 13.10 : linux vulnerabilities (USN-2117-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 195765 (Ubuntu Security Notification for Linux-lts-saucy Vulnerabilities (USN-2113-1)).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 16332.

The vulnerability is also documented in the databases at Tenable (72578), SecurityFocus (BID 63702†), OSVDB (99877†), Secunia (SA55658†) and Vulnerability Center (SBV-42316†). The entries VDB-11441, VDB-11510 and VDB-65499 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 72578
Nessus Name: Ubuntu 13.10 : linux vulnerabilities (USN-2117-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 867089
OpenVAS Name: Fedora Update for kernel FEDORA-2013-21807
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: git.kernel.org
TippingPoint: 🔍
ISS Proventia IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

06/12/2013 🔍
11/06/2013 +147 days 🔍
11/06/2013 +0 days 🔍
11/13/2013 +7 days 🔍
11/17/2013 +4 days 🔍
11/20/2013 +3 days 🔍
11/21/2013 +1 days 🔍
02/19/2014 +90 days 🔍
06/02/2021 +2660 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: CVE-2013-4563 -- Linux kernel: net: large udp packet over IPv6 over UFO-enabled device with TBF qdisc panic
Researcher: Saran Neti
Organization: TELUS Security Labs
Status: Not defined
Confirmation: 🔍

CVE: CVE-2013-4563 (🔍)
GCVE (CVE): GCVE-0-2013-4563
GCVE (VulDB): GCVE-100-11224

OVAL: 🔍

SecurityFocus: 63702
Secunia: 55658 - Linux Kernel "udp6_ufo_fragment()" Denial of Service Vulnerability, Moderately Critical
OSVDB: 99877
Vulnerability Center: 42316 - Linux Kernel 3.10-rc5 Through 3.12 Remote Denial of Service Vulnerability via UDP Packets Larger than the MTU, Medium

See also: 🔍

Entryinfo

Created: 11/21/2013 14:30
Updated: 06/02/2021 11:09
Changes: 11/21/2013 14:30 (85), 05/15/2017 11:35 (2), 06/02/2021 11:09 (3)
Complete: 🔍
Committer: olku
Cache ID: 216:734:103

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