varnish-modules up to 0.17.0 Configuration null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in varnish-modules up to 0.17.0. This vulnerability affects unknown code of the component Configuration Handler. Executing a manipulation can lead to null pointer dereference. This vulnerability appears as CVE-2021-28543. The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in varnish-modules up to 0.17.0 and classified as problematic. This vulnerability affects an unknown part of the component Configuration Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability.

The weakness was presented 03/17/2021. The advisory is shared for download at varnish-cache.org. This vulnerability was named CVE-2021-28543. There are neither technical details nor an exploit publicly available.

Upgrading to version 0.17.1 eliminates this vulnerability.

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.5

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
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: Null pointer dereference
CWE: CWE-476 / 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: varnish-modules 0.17.1

Timelineinfo

03/16/2021 🔍
03/17/2021 +1 days 🔍
03/17/2021 +0 days 🔍
04/01/2021 +15 days 🔍

Sourcesinfo

Advisory: varnish-cache.org
Status: Confirmed

CVE: CVE-2021-28543 (🔍)
GCVE (CVE): GCVE-0-2021-28543
GCVE (VulDB): GCVE-100-171328

Entryinfo

Created: 03/17/2021 09:42
Updated: 04/01/2021 23:34
Changes: 03/17/2021 09:42 (37), 04/01/2021 23:29 (5), 04/01/2021 23:34 (19)
Complete: 🔍
Cache ID: 216::103

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