dhcpcd up to 6.9.x memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.3$0-$5k0.00

Summaryinfo

A vulnerability was found in dhcpcd up to 6.9.x. It has been rated as problematic. This affects an unknown part. The manipulation leads to memory corruption. This vulnerability is listed as CVE-2016-1504. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in dhcpcd up to 6.9.x and classified as problematic. 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 availability. The summary by CVE is:

dhcpcd before 6.10.0 allows remote attackers to cause a denial of service (invalid read and crash) via vectors related to the option length.

The bug was discovered 01/07/2016. The weakness was presented 02/07/2017 (Website). The advisory is shared at roy.marples.name. The identification of this vulnerability is CVE-2016-1504 since 01/07/2016. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 87791 (FreeBSD : dhcpcd -- multiple vulnerabilities (df587aa2-b5a5-11e5-9728-002590263bf5)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l.

Upgrading to version 6.10.0 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (87791). See VDB-81569 for similar entry. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 87791
Nessus Name: FreeBSD : dhcpcd -- multiple vulnerabilities (df587aa2-b5a5-11e5-9728-002590263bf5)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 12024
OpenVAS Name: Mageia Linux Local Check: mgasa-2016-0034
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: dhcpcd 6.10.0

Timelineinfo

01/07/2016 🔍
01/07/2016 +0 days 🔍
01/08/2016 +1 days 🔍
01/08/2016 +0 days 🔍
02/07/2017 +396 days 🔍
02/07/2017 +0 days 🔍
02/07/2017 +0 days 🔍
11/11/2022 +2103 days 🔍

Sourcesinfo

Advisory: roy.marples.name
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-1504 (🔍)
GCVE (CVE): GCVE-0-2016-1504
GCVE (VulDB): GCVE-100-96593
OSVDB: - CVE-2016-1504 - dhcpcd - Denial of Service Issue
SecurityTracker: 1034601

See also: 🔍

Entryinfo

Created: 02/07/2017 22:12
Updated: 11/11/2022 20:48
Changes: 02/07/2017 22:12 (68), 08/11/2020 16:26 (5), 11/11/2022 20:48 (4)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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