ISC BIND up to 9.8.4/9.9.2 Packet Option DNS Packet input validation

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in ISC BIND up to 9.8.4/9.9.2. Affected is an unknown function of the component Packet Option Handler. Performing a manipulation as part of DNS Packet results in input validation. This vulnerability is known as CVE-2016-2848. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in ISC BIND up to 9.8.4/9.9.2 (Domain Name Software). This affects some unknown processing of the component Packet Option Handler. The manipulation as part of a DNS Packet leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on availability. The summary by CVE is:

ISC BIND 9.1.0 through 9.8.4-P2 and 9.9.0 through 9.9.2-P2 allows remote attackers to cause a denial of service (assertion failure and daemon exit) via malformed options data in an OPT resource record.

The weakness was published 10/20/2016 by Toshifumi Sakaguchi as AA-01433 as confirmed knowledge base article (Website). It is possible to read the advisory at kb.isc.org. The vendor was not involved in the public release. This vulnerability is uniquely identified as CVE-2016-2848 since 03/06/2016. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The advisory points out:

A packet with a malformed options section can be used to deliberately trigger an assertion failure affecting versions of BIND which do not contain change #3548, which was first included in ISC BIND 9 releases in May 2013.

The vulnerability scanner Nessus provides a plugin with the ID 94192 (RHEL 5 : bind97 (RHSA-2016:2094)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Red Hat Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 236125 (Red Hat Update for bind (RHSA-2016:2099)).

Upgrading to version 9.9.9-P3, 9.10.4-P3 or 9.11.0 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability. The knowledge base article contains the following remark:

Current ISC versions of BIND are safe from this vulnerability, but repackaged versions distributed by other parties may be vulnerable if they were forked from ISC's source before change #3548.

The vulnerability is also documented in the databases at Tenable (94192), SecurityFocus (BID 93809†) and SecurityTracker (ID 1037073†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
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: 94192
Nessus Name: RHEL 5 : bind97 (RHSA-2016:2094)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 841445
OpenVAS Name: Ubuntu Update for bind9 USN-3108-1
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: BIND 9.9.9-P3/9.10.4-P3/9.11.0
Patch: 4adf97c32fcca7d00e5756607fd045f2aab9c3d4

Timelineinfo

05/01/2013 🔍
03/06/2016 +1040 days 🔍
10/13/2016 +221 days 🔍
10/20/2016 +7 days 🔍
10/20/2016 +0 days 🔍
10/20/2016 +0 days 🔍
10/21/2016 +1 days 🔍
10/21/2016 +0 days 🔍
10/21/2016 +0 days 🔍
09/28/2022 +2168 days 🔍

Sourcesinfo

Vendor: isc.org

Advisory: AA-01433
Researcher: Toshifumi Sakaguchi
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-2848 (🔍)
GCVE (CVE): GCVE-0-2016-2848
GCVE (VulDB): GCVE-100-93015

OVAL: 🔍

SecurityFocus: 93809 - RETIRED: ISC BIND CVE-2016-2848 Remote Denial of Service Vulnerability
SecurityTracker: 1037073

Entryinfo

Created: 10/21/2016 09:11
Updated: 09/28/2022 09:04
Changes: 10/21/2016 09:11 (79), 05/15/2019 11:43 (11), 09/28/2022 09:04 (5)
Complete: 🔍
Cache ID: 216::103

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