CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.5 | $0-$5k | 0.00 |
A vulnerability was found in dhcpcd 3.2.3. It has been rated as critical. This issue affects an unknown function. 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. The summary by CVE is:
The decode_search function in dhcp.c in dhcpcd 3.x allows remote DHCP servers to cause a denial of service (out-of-bounds read) via a crafted response.
The weakness was published 12/01/2015 by Guido Vranken as confirmed mailinglist post (oss-sec). It is possible to read the advisory at seclists.org. The identification of this vulnerability is CVE-2012-6699 since 12/03/2015. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.
The vulnerability scanner Nessus provides a plugin with the ID 87267 (Debian DLA-362-1 : dhcpcd security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175689 (Debian Security Update for dhcpcd (DSA 3534-1)).
Upgrading eliminates this vulnerability. A possible mitigation has been published 1 weeks after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at X-Force (108512) and Tenable (87267). Similar entries are available at 79414 and 79416.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.0
VulDB Base Score: 7.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Unproven
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Nessus ID: 87267
Nessus Name: Debian DLA-362-1 : dhcpcd security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 703534
OpenVAS Name: Debian Security Advisory DSA 3534-1 (dhcpcd - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
11/17/2015 🔍12/01/2015 🔍
12/03/2015 🔍
12/04/2015 🔍
12/08/2015 🔍
12/09/2015 🔍
12/09/2015 🔍
04/11/2016 🔍
04/14/2016 🔍
02/04/2019 🔍
Sources
Advisory: seclists.orgResearcher: Guido Vranken
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2012-6699 (🔍)
OVAL: 🔍
X-Force: 108512 - dhcpcd code execution
Vulnerability Center: 58172 - dhcpcd 3 Remote DoS via a Crafted Response by the decode_search Function - CVE-2012-6699, Medium
SecurityFocus: 85773 - dhcpcd CVE-2012-6699 Denial of Service Vulnerability
See also: 🔍
Entry
Created: 12/04/2015 10:18Updated: 02/04/2019 14:39
Changes: 12/04/2015 10:18 (76), 02/04/2019 14:39 (13)
Complete: 🔍
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