CVE-2024-32975

Envoy crashes in QuicheDataReader::PeekVarInt62Length()

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

Envoy is a cloud-native, open source edge and service proxy. There is a crash at `QuicheDataReader::PeekVarInt62Length()`. It is caused by integer underflow in the `QuicStreamSequencerBuffer::PeekRegion()` implementation.

Envoy es un proxy de servicio y borde de código abierto, nativo de la nube. Hay un bloqueo en `QuicheDataReader::PeekVarInt62Length()`. Se debe a un desbordamiento insuficiente de enteros en la implementación de `QuicStreamSequencerBuffer::PeekRegion()`.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

Poc

Automatable

Yes

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2024-04-22 CVE Reserved
2024-06-04 CVE Published
2024-08-02 CVE Updated
2024-08-02 First Exploit
2025-03-31 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-191: Integer Underflow (Wrap or Wraparound)

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC
https://github.com/envoyproxy/envoy/security/advisories/GHSA-g9mq-6v96-cpqc	2024-08-02

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Envoyproxy Search vendor "Envoyproxy"		Envoy Search vendor "Envoyproxy" for product "Envoy"				< 1.27.6 Search vendor "Envoyproxy" for product "Envoy" and version " < 1.27.6"		-		Affected
Envoyproxy Search vendor "Envoyproxy"		Envoy Search vendor "Envoyproxy" for product "Envoy"				>= 1.28.0 < 1.28.4 Search vendor "Envoyproxy" for product "Envoy" and version " >= 1.28.0 < 1.28.4"		-		Affected
Envoyproxy Search vendor "Envoyproxy"		Envoy Search vendor "Envoyproxy" for product "Envoy"				>= 1.29.0 < 1.29.5 Search vendor "Envoyproxy" for product "Envoy" and version " >= 1.29.0 < 1.29.5"		-		Affected
Envoyproxy Search vendor "Envoyproxy"		Envoy Search vendor "Envoyproxy" for product "Envoy"				>= 1.30.0 < 1.30.2 Search vendor "Envoyproxy" for product "Envoy" and version " >= 1.30.0 < 1.30.2"		-		Affected