Vulnerability · Published Jun 14, 2023 · Assigned by cloudflare

CVE-2023-3040Out of Bounds Access Leading to Undefined Behavior

Low 3.7

In plain English

A low-severity out-of-bounds read in lua-resty-json from Cloudflare. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities).

Severity (CVSS 3.1)3.7Low

Exploit odds (30 days)0.7%top 46.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A debug function in the lua-resty-json package, up to commit id 3ef9492bd3a44d9e51301d6adc3cd1789c8f534a (merged in PR #14) contained an out of bounds access bug that could have allowed an attacker to launch a DoS if the function was used to parse untrusted input data. It is important to note that because this debug function was only used in tests and demos, it was not exploitable in a normal environment.

Affected products (as reported)

Vendor	Product	Versions
Cloudflare	lua-resty-json	1 – before 14

Weakness: CWE-125 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

In plain English

Official description

Affected products (as reported)

References