ISC BIND 9 on Ubuntu validator.c assertion

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability was found in ISC BIND 9 on Ubuntu and classified as problematic. This issue affects some unknown processing of the file validator.c. Such manipulation leads to assertion. This vulnerability is referenced as CVE-2018-5735. It is possible to launch the attack remotely. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in ISC BIND 9 on Ubuntu (Domain Name Software) and classified as problematic. Affected by this issue is an unknown code of the file validator.c. The manipulation with an unknown input leads to a assertion vulnerability. Using CWE to declare the problem leads to CWE-617. The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary. Impacted is availability. CVE summarizes:

The Debian backport of the fix for CVE-2017-3137 leads to assertion failure in validator.c:1858; Affects Debian versions 9.9.5.dfsg-9+deb8u15; 9.9.5.dfsg-9+deb8u18; 9.10.3.dfsg.P4-12.3+deb9u5; 9.11.5.P4+dfsg-5.1 No ISC releases are affected. Other packages from other distributions who did similar backports for the fix for 2017-3137 may also be affected.

The weakness was published 02/19/2018 as USN-3574-1 as confirmed security notice (Website). The advisory is available at usn.ubuntu.com. This vulnerability is handled as CVE-2018-5735. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityTracker (ID 1040395†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

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

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector (Internet Systems Consortium (ISC)): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Assertion
CWE: CWE-617
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

01/17/2018 🔍
02/19/2018 +33 days 🔍
02/19/2018 +0 days 🔍
02/26/2018 +7 days 🔍
02/10/2023 +1810 days 🔍

Sourcesinfo

Vendor: isc.org

Advisory: USN-3574-1
Status: Confirmed

CVE: CVE-2018-5735 (🔍)
GCVE (CVE): GCVE-0-2018-5735
GCVE (VulDB): GCVE-100-113810
SecurityTracker: 1040395

Entryinfo

Created: 02/26/2018 08:11
Updated: 02/10/2023 10:23
Changes: 02/26/2018 08:11 (44), 11/15/2019 14:55 (17), 02/10/2023 10:16 (4), 02/10/2023 10:23 (12)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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