Envoy prior 1.23.12/1.24.10/1.25.9/1.26.4/1.27.0 use after free

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Envoy. This issue affects some unknown processing. Executing a manipulation can lead to use after free. This vulnerability is handled as CVE-2023-35942. The attack can be executed remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Envoy and classified as problematic. This vulnerability affects some unknown functionality. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect availability. CVE summarizes:

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to versions 1.27.0, 1.26.4, 1.25.9, 1.24.10, and 1.23.12, gRPC access loggers using listener's global scope can cause a `use-after-free` crash when the listener is drained. Versions 1.27.0, 1.26.4, 1.25.9, 1.24.10, and 1.23.12 have a fix for this issue. As a workaround, disable gRPC access log or stop listener update.

The weakness was released 07/26/2023 as GHSA-69vr-g55c-v2v4. The advisory is available at github.com. This vulnerability was named CVE-2023-35942 since 06/20/2023. The technical details are unknown and an exploit is not available.

Upgrading to version 1.23.12, 1.24.10, 1.25.9, 1.26.4 or 1.27.0 eliminates this vulnerability.

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

Productinfo

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.5
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
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: Envoy 1.23.12/1.24.10/1.25.9/1.26.4/1.27.0

Timelineinfo

06/20/2023 🔍
07/26/2023 +36 days 🔍
07/26/2023 +0 days 🔍
07/26/2023 +0 days 🔍

Sourcesinfo

Advisory: GHSA-69vr-g55c-v2v4
Status: Confirmed

CVE: CVE-2023-35942 (🔍)
GCVE (CVE): GCVE-0-2023-35942
GCVE (VulDB): GCVE-100-235426

Entryinfo

Created: 07/26/2023 10:38
Changes: 07/26/2023 10:38 (47)
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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