CVE-2024-32975 — Integer Underflow (Wrap or Wraparound) in Envoy

CWE-191 — Integer Underflow (Wrap or Wraparound)CWE-400 — Uncontrolled Resource Consumption2 documents2 sources
Severity
7.5HIGHNVD
EPSS
0.0%
top 92.13%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Envoyproxy Envoy
Timeline
PublishedJun 4

Description

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

▶NVDenvoyproxy/envoy1.28.0 — 1.28.4+3
▶CVEListV5envoyproxy/envoy1.27.5+3

📋Vendor Advisories

1
Red Hat
envoy: different QUIC stack DoS↗2024-06-04
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CVE-2024-32975 — Integer Underflow (Wrap or Wraparound) | cvebase