CVE-2023-23846
High
Description
Due to insufficient length validation in the Open5GS GTP library versions prior to versions 2.4.13 and 2.5.7, when parsing extension headers in GPRS tunneling protocol (GPTv1-U) messages, a protocol payload with any extension header length set to zero causes an infinite loop. The affected process becomes immediately unresponsive, resulting in denial of service and excessive resource consumption. CVSS3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C
SeverityHigh
CVSS7.5
Exploit probability—
ProductOpen5gs
PublishedFeb 1, 2023
First seenFeb 1, 2023
Weakness typeCWE-770Allocation of resources without limits
How to fix
Update
- open5gs open5gs2.4.13 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| open5gs open5gs | v < 2.4.13, 2.5.6 | 2.4.13 |
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