ISC BIND up to 9.11.37-S1/9.16.32 ECDSA Signature memory leak

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

Summaryinfo

A vulnerability labeled as problematic has been found in ISC BIND up to 9.11.37-S1/9.16.32. The affected element is an unknown function of the component ECDSA Signature Handler. The manipulation results in memory leak. This vulnerability is identified as CVE-2022-38177. The attack can be executed remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, was found in ISC BIND up to 9.11.37-S1/9.16.32 (Domain Name Software). Affected is an unknown part of the component ECDSA Signature Handler. The manipulation with an unknown input leads to a memory leak vulnerability. CWE is classifying the issue as CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. This is going to have an impact on availability. CVE summarizes:

By spoofing the target resolver with responses that have a malformed ECDSA signature, an attacker can trigger a small memory leak. It is possible to gradually erode available memory to the point where named crashes for lack of resources.

The weakness was released 09/21/2022. The advisory is available at kb.isc.org. This vulnerability is traded as CVE-2022-38177 since 08/12/2022. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

Upgrading to version 9.16.33 or 9.16.33-S1 eliminates this vulnerability.

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

Productinfo

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Vendor

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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: 🔍

Exploitinginfo

Class: Memory leak
CWE: CWE-401 / CWE-404
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: 🔍

0-Day Time: 🔍

Upgrade: BIND 9.16.33/9.16.33-S1

Timelineinfo

08/12/2022 🔍
09/21/2022 +40 days 🔍
09/21/2022 +0 days 🔍
05/28/2025 +980 days 🔍

Sourcesinfo

Vendor: isc.org

Advisory: DLA 3138-1
Status: Confirmed

CVE: CVE-2022-38177 (🔍)
GCVE (CVE): GCVE-0-2022-38177
GCVE (VulDB): GCVE-100-209226

Entryinfo

Created: 09/21/2022 15:09
Updated: 05/28/2025 23:07
Changes: 09/21/2022 15:09 (41), 10/21/2022 18:01 (1), 10/21/2022 18:09 (12), 05/28/2025 23:07 (26)
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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