ConnMan up to 1.34 dnsproxy.c Name memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability was found in ConnMan up to 1.34. It has been classified as critical. The impacted element is an unknown function of the file dnsproxy.c. Performing a manipulation of the argument Name as part of Variable results in memory corruption. This vulnerability is known as CVE-2017-12865. Remote exploitation of the attack is possible. No exploit is available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability, which was classified as critical, was found in ConnMan up to 1.34. This affects an unknown code block of the file dnsproxy.c. The manipulation of the argument name as part of a Variable leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Stack-based buffer overflow in "dnsproxy.c" in connman 1.34 and earlier allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a crafted response query string passed to the "name" variable.

The bug was discovered 08/21/2017. The weakness was published 08/29/2017 (Website). It is possible to read the advisory at debian.org. This vulnerability is uniquely identified as CVE-2017-12865 since 08/15/2017. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 8 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 102845 (Debian DLA-1078-1 : connman 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 176135 (Debian Security Update for connman (DSA 3956-1)).

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 1 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (102845) and SecurityFocus (BID 100498†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: 102845
Nessus Name: Debian DLA-1078-1 : connman security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 53375
OpenVAS Name: Debian Security Advisory DSA 3956-1 (connman - security update)
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

Timelineinfo

08/15/2017 🔍
08/21/2017 +6 days 🔍
08/21/2017 +0 days 🔍
08/29/2017 +8 days 🔍
08/29/2017 +0 days 🔍
08/30/2017 +1 days 🔍
08/30/2017 +0 days 🔍
08/31/2017 +1 days 🔍
01/10/2021 +1228 days 🔍

Sourcesinfo

Advisory: debian.org
Researcher: Pedro Sampaio
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-12865 (🔍)
GCVE (CVE): GCVE-0-2017-12865
GCVE (VulDB): GCVE-100-105915

OVAL: 🔍

SecurityFocus: 100498 - connman 'src/dnsproxy.c' Stack Based Buffer Overflow Vulnerability

Entryinfo

Created: 08/30/2017 08:52
Updated: 01/10/2021 10:12
Changes: 08/30/2017 08:52 (72), 11/11/2019 15:52 (10), 01/10/2021 10:12 (2)
Complete: 🔍
Cache ID: 216:145:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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