CVE-2016-2775

Impact:
Moderate
Public Date:
2016-07-18
IAVA:
2017-A-0004
CWE:
CWE-20
Bugzilla:
1357803: CVE-2016-2775 bind: Too long query name causes segmentation fault in lwresd
It was found that the lightweight resolver protocol implementation in BIND could enter an infinite recursion and crash when asked to resolve a query name which, when combined with a search list entry, exceeds the maximum allowable length. A remote attacker could use this flaw to crash lwresd or named when using the "lwres" statement in named.conf.

Find out more about CVE-2016-2775 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

Base Score 4.3
Base Metrics AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial

CVSS v3 metrics

CVSS3 Base Score 5.9
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Impact None
Availability Impact High

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 7 (bind) RHBA-2017:1767 2017-08-01
Red Hat Enterprise Linux Extended Update Support 7.3 (bind) RHSA-2017:2533 2017-08-24
Red Hat Enterprise Linux Extended Update Support 7.2 (bind) RHSA-2017:2533 2017-08-24
Red Hat Enterprise Linux 6 (bind) RHBA-2017:0651 2017-03-21

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 5 bind97 Will not fix
Red Hat Enterprise Linux 5 bind Will not fix

External References

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