Dnsmasq up to 2.82 Pending Request security check

Summaryinfo

A vulnerability has been found in Dnsmasq up to 2.82 and classified as problematic. The affected element is an unknown function of the component Pending Request Handler. This manipulation causes security check. This vulnerability appears as CVE-2020-25686. The attack may be initiated remotely. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in Dnsmasq up to 2.82 (Domain Name Software) and classified as problematic. Affected by this vulnerability is an unknown part of the component Pending Request Handler. The manipulation with an unknown input leads to a security check vulnerability. The CWE definition for the vulnerability is CWE-358. The product does not implement or incorrectly implements one or more security-relevant checks as specified by the design of a standardized algorithm, protocol, or technique. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 01/20/2021. The advisory is shared at jsof-tech.com. This vulnerability is known as CVE-2020-25686. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1211 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 236546 (Alibaba Cloud Linux 3 : 0009: dnsmasq (ALINUX3-SA-2021:0009)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 2.83 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (236546). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Domain Name Software

Name

• Dnsmasq

Version

• 2.0
• 2.1
• 2.2
• 2.3
• 2.4
• 2.5
• 2.6
• 2.7
• 2.8
• 2.9
• 2.10
• 2.11
• 2.12
• 2.13
• 2.14
• 2.15
• 2.16
• 2.17
• 2.18
• 2.19
• 2.20
• 2.21
• 2.22
• 2.23
• 2.24
• 2.25
• 2.26
• 2.27
• 2.28
• 2.29
• 2.30
• 2.31
• 2.32
• 2.33
• 2.34
• 2.35
• 2.36
• 2.37
• 2.38
• 2.39
• 2.40
• 2.41
• 2.42
• 2.43
• 2.44
• 2.45
• 2.46
• 2.47
• 2.48
• 2.49
• 2.50
• 2.51
• 2.52
• 2.53
• 2.54
• 2.55
• 2.56
• 2.57
• 2.58
• 2.59
• 2.60
• 2.61
• 2.62
• 2.63
• 2.64
• 2.65
• 2.66
• 2.67
• 2.68
• 2.69
• 2.70
• 2.71
• 2.72
• 2.73
• 2.74
• 2.75
• 2.76
• 2.77
• 2.78
• 2.79
• 2.80
• 2.81
• 2.82

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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