CVE-2023-25076 in the critical feed json
A buffer overflow vulnerability exists in the handling of wildcard backend hosts of SNIProxy 0.6.0-2 and the master branch (commit: 822bb80…
published 2023-03-30 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-29055
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 65.8%
- EPSS 65.8% chance of exploitation in 30 days, percentile 99.2%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- sniproxy Debian 14, Debian 13, Debian 12 0.6.0-2.1
debian advisories DEBIAN-CVE-2023-25076
- sniproxy Ubuntu 20.04 LTS 0.6.0-1ubuntu0.1
- sniproxy Ubuntu 22.04 LTS 0.6.0-2ubuntu0.22.04.1
- sniproxy Ubuntu 24.04 LTS 0.6.0-2.1build2
- sniproxy Ubuntu Pro 18.04 LTS 0.5.0-2ubuntu0.1~esm1
ubuntu advisories UBUNTU-CVE-2023-25076
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- total
- Assessed
- 20 mo ago
Exploit prediction
65.75% chance of exploitation in the next 30 days, higher than 99.2% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- talosintelligence.com https://talosintelligence.com/vulnerability_reports/TALOS-2023-1731 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- SNIProxy SNIProxy
Classification
- Weakness
-
- CWE-120 Buffer Copy without Checking Size of Input
References
-
github.com
/dlundquist/sniproxy/commit/f8d9a433fe22ab2fa15c00179048ab02ae23d583
patch
-
talosintelligence.com
/vulnerability_reports/TALOS-2023-1731
exploit, mitigation, third-party-advisory
- lists.debian.org /debian-lts-announce/2023/04/msg00030.html
- debian.org /security/2023/dsa-5413
- talosintelligence.com /vulnerability_reports/TALOS-2023-1731
Sources
- CVE List CVE-2023-25076
- NVD CVE-2023-25076
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