CVE-2023-25076
9.8
CRITICAL · CVSS 3.1 · EPSS 65.8% (pctl 99)
Patch early
EPSS 65.8% — above the 10% action threshold.
Description
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 code execution. An attacker could send a malicious packet to trigger this vulnerability.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 65.75% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-120 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2023-03-30 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| sniproxy project | sniproxy |
References
- https://github.com/dlundquist/sniproxy/commit/f8d9a433fe22ab2fa15c00179048ab02ae23d583
- https://lists.debian.org/debian-lts-announce/2023/04/msg00030.html
- https://talosintelligence.com/vulnerability_reports/TALOS-2023-1731
- https://www.debian.org/security/2023/dsa-5413
- https://github.com/dlundquist/sniproxy/commit/f8d9a433fe22ab2fa15c00179048ab02ae23d583
- https://lists.debian.org/debian-lts-announce/2023/04/msg00030.html
- https://talosintelligence.com/vulnerability_reports/TALOS-2023-1731
- https://www.debian.org/security/2023/dsa-5413
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1731
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