ISC BIND up to 9.8.8/9.9.8-P2/9.9.8-S3/9.10.3-P2 Address Prefix List apl_42.c input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in ISC BIND up to 9.8.8/9.9.8-P2/9.9.8-S3/9.10.3-P2. Affected is an unknown function of the file apl_42.c of the component Address Prefix List Handler. Such manipulation leads to input validation. This vulnerability is traded as CVE-2015-8704. The attack may be launched remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in ISC BIND up to 9.8.8/9.9.8-P2/9.9.8-S3/9.10.3-P2 (Domain Name Software). Affected by this issue is an unknown functionality of the file apl_42.c of the component Address Prefix List Handler. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. CVE summarizes:

apl_42.c in ISC BIND 9.x before 9.9.8-P3 and 9.9.x and 9.10.x before 9.10.3-P3 allows remote authenticated users to cause a denial of service (INSIST assertion failure and daemon exit) via a malformed Address Prefix List (APL) record.

The weakness was shared 01/19/2016 as AA-01335 as confirmed advisory (Website). The advisory is available at kb.isc.org. This vulnerability is handled as CVE-2015-8704 since 12/30/2015. The attack may be launched remotely. The successful exploitation needs a simple authentication. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 87990 (Amazon Linux AMI : bind (ALAS-2016-641)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 157265 (Oracle Enterprise Linux Security Update for bind97 (ELSA-2016-1945)).

Upgrading to version 9.9.8-P3, 9.10.3-P3 or 9.9.8-S4 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 22803.

The vulnerability is also documented in the databases at X-Force (109701), Tenable (87990), SecurityFocus (BID 81329†), SecurityTracker (ID 1034739†) and Vulnerability Center (SBV-55989†). The entry VDB-79801 is related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.1

VulDB Base Score: 6.5
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
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: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 87990
Nessus Name: Amazon Linux AMI : bind (ALAS-2016-641)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703449
OpenVAS Name: Debian Security Advisory DSA 3449-1 (bind9 - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: BIND 9.9.8-P3/9.10.3-P3/9.9.8-S4
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

Fortigate IPS: 🔍

Timelineinfo

12/30/2015 🔍
01/19/2016 +20 days 🔍
01/19/2016 +0 days 🔍
01/19/2016 +0 days 🔍
01/20/2016 +1 days 🔍
01/20/2016 +0 days 🔍
01/20/2016 +0 days 🔍
01/20/2016 +0 days 🔍
01/21/2016 +1 days 🔍
01/21/2016 +0 days 🔍
07/02/2018 +893 days 🔍

Sourcesinfo

Vendor: isc.org

Advisory: AA-01335
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-8704 (🔍)
GCVE (CVE): GCVE-0-2015-8704
GCVE (VulDB): GCVE-100-80354

OVAL: 🔍

X-Force: 109701 - ISC BIND apl_42.c denial of service
SecurityFocus: 81329 - ISC BIND CVE-2015-8704 Remote Denial of Service Vulnerability
SecurityTracker: 1034739
Vulnerability Center: 55989 - ISC BIND Remote DoS via a Malformed Address Prefix List (APL) Record, Medium

See also: 🔍

Entryinfo

Created: 01/21/2016 11:21
Updated: 07/02/2018 09:16
Changes: 01/21/2016 11:21 (76), 07/02/2018 09:16 (23)
Complete: 🔍
Cache ID: 216:CDB:103

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