CVE-2022-31045 — Out-of-bounds Read in Istio

CWE-125 — Out-of-bounds Read4 documents4 sources
Severity
9.8CRITICALNVD
EPSS
0.3%
top 43.30%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
IstioIstio.io Istio
Timeline
PublishedJun 9
Latest updateJun 10

Description

Istio is an open platform to connect, manage, and secure microservices. In affected versions ill-formed headers sent to Envoy in certain configurations can lead to unexpected memory access resulting in undefined behavior or crashing. Users are most likely at risk if they have an Istio ingress Gateway exposed to external traffic. This vulnerability has been resolved in versions 1.12.8, 1.13.5, and 1.14.1. Users are advised to upgrade. There are no known workarounds for this issue.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages3 packages

▶CVEListV5istio/istio< 1.12.18+2
▶NVDistio/istio1.13.0 — 1.13.5+2
▶Goistio.io/istio1.13.0 — 1.13.5+2

🔴Vulnerability Details

2
OSV
Ill-formed headers may lead to unexpected behavior in Istio↗2022-06-10
▶
GHSA
Ill-formed headers may lead to unexpected behavior in Istio↗2022-06-10
▶

📋Vendor Advisories

1
Red Hat
Istio: Unsafe memory access in metadata exchange.↗2022-06-09
▶
CVE-2022-31045 — Out-of-bounds Read in Istio | cvebase