What is CVE-2023-25076?

CVE-2023-25076 is a critical-severity vulnerability in Sniproxy, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2023-03-30.

How severe is CVE-2023-25076?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2023-25076 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Sniproxy

CVE-2023-25076

A buffer overflow vulnerability exists in the handling of wildcard backend hosts of SNIProxy 0.6.0-2 and the master branch (commit: 822bb80df9b7b345cc9eba55df74a07b498819ba). A specially crafted HTTP or TLS packet can lead to arbitrary cod…

Vulnerability class: Buffer Overflow

EPSS: 0.655 (99.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Sniproxy — versions 0.6.0-2, Master 822bb80df9b7b345cc9eba55df74a07b498819ba

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-25076?: CVE-2023-25076 is a critical-severity vulnerability in Sniproxy, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2023-03-30.
How severe is CVE-2023-25076?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-25076 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.