Linux Kernel 3.16.0/3.16.1/3.16.2 libceph memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

A vulnerability was found in Linux Kernel 3.16.0/3.16.1/3.16.2 (Operating System). It has been rated as critical. Affected by this issue is an unknown functionality of the component libceph. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Buffer overflow in net/ceph/auth_x.c in Ceph, as used in the Linux kernel before 3.16.3, allows remote attackers to cause a denial of service (memory corruption and panic) or possibly have unspecified other impact via a long unencrypted auth ticket.

The issue has been introduced in 08/03/2014. The weakness was shared 09/15/2014 as confirmed mailinglist post (oss-sec). The advisory is shared for download at seclists.org. This vulnerability is handled as CVE-2014-6416 since 09/15/2014. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 43 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 80578 (Mandriva Linux Security Advisory : kernel (MDVSA-2015:027)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mandriva Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 195640 (Ubuntu Security Notification for Linux Vulnerabilities (USN-2379-1)).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org.

The vulnerability is also documented in the databases at X-Force (95964) and Tenable (80578). The entries 67535, 67543, 67545 and 67546 are related to this item.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

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Current Price Estimation: 🔍

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Nessus ID: 80578
Nessus Name: Mandriva Linux Security Advisory : kernel (MDVSA-2015:027)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 841810
OpenVAS Name: Ubuntu Update for linux USN-2379-1
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: c27a3e4d667fdcad3db7b104f75659478e0c68d8

Timelineinfo

08/03/2014 🔍
09/10/2014 +38 days 🔍
09/15/2014 +5 days 🔍
09/15/2014 +0 days 🔍
09/15/2014 +0 days 🔍
09/18/2014 +3 days 🔍
09/28/2014 +10 days 🔍
09/29/2014 +1 days 🔍
02/16/2022 +2697 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: USN-2376-1
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-6416 (🔍)
OVAL: 🔍

X-Force: 95964 - Linux Kernel libceph buffer overflow, High Risk
Vulnerability Center: 46280 - Linux Kernel before 3.16.3 Remote DoS or Unspecified Vulnerability via a Long Unencrypted Auth Ticket - CVE-2014-6416, High
SecurityFocus: 69805 - Linux Kernel 'ceph/auth_x.c' Buffer Overflow Vulnerability

See also: 🔍

Entryinfo

Created: 09/18/2014 23:34
Updated: 02/16/2022 03:35
Changes: 09/18/2014 23:34 (73), 06/07/2017 11:09 (7), 02/16/2022 03:28 (4), 02/16/2022 03:35 (1)
Complete: 🔍

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