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CVE-2023-3766

MEDIUM
Published 2023-08-03T13:49:46.751Z
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CVSS Score

V3.1
5.9
/10
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.005
probability
of exploitation in the wild

There is a 0.5% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.627
Higher than 62.7% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Description

A vulnerability was discovered in the odoh-rs rust crate that stems from faulty logic during the parsing of encrypted queries. This issue specifically occurs when processing encrypted query data received from remote clients and enables an attacker with knowledge of this vulnerability to craft and send specially designed encrypted queries to targeted ODOH servers running with odoh-rs. Upon successful exploitation, the server will crash abruptly, disrupting its normal operation and rendering the service temporarily unavailable.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Cloudflare

odoh-rs

Affected Versions:

0

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed MODERATE

odoh-rs's Invalid Slice Split Results in Server Panic

GHSA-gpcv-p28p-fv2p

Advisory Details

A vulnerability was discovered in the odoh-rs rust crate that stems from faulty logic during the parsing of encrypted queries. This issue specifically occurs when processing encrypted query data received from remote clients. ### Impact An attacker with knowledge of this vulnerability could craft and send specially designed encrypted queries to targeted ODOH servers running with odoh-rs. Upon successful exploitation, the server will crash abruptly, disrupting its normal operation and rendering the service temporarily unavailable. ### Patches Users are encouraged to update their odoh-rs's rust crate to v1.0.2.

Affected Packages

crates.io odoh-rs
ECOSYSTEM: ≥0 <1.0.2

CVSS Scoring

CVSS Score

5.0

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

References

WEB https://github.com/cloudflare/odoh-rs/security/advisories/GHSA-gpcv-p28p-fv2p
ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-3766
WEB https://github.com/cloudflare/odoh-rs/pull/28
WEB https://github.com/cloudflare/odoh-rs/commit/c1bc4ed71dcc9842b7dc1ea26f278f105074bbaa
PACKAGE https://github.com/cloudflare/odoh-rs

Advisory provided by GitHub Security Advisory Database. Published: August 3, 2023, Modified: August 3, 2023

References

https://github.com/cloudflare/odoh-rs/security/advisories/GHSA-gpcv-p28p-fv2p
https://github.com/cloudflare/odoh-rs/pull/28
Published: 2023-08-03T13:49:46.751Z
Last Modified: 2024-10-09T20:33:55.971Z
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