SIPP 3.3 Stack-Based Buffer Overflow via Configuration File
Priority HIGH 72CWE-306Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-306.
Summary
SIPP 3.3 contains a stack-based buffer overflow vulnerability that allows local unauthenticated attackers to execute arbitrary code by supplying malicious input in the configuration file. Attackers can craft a configuration file with oversized values that overflow a stack buffer, overwriting the return address and executing arbitrary code through return-oriented programming gadgets.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00197 9th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| SIPp | SIPP | 3.3 | — | No fix listed | CNA |
- SIPP VendorSIPp Affected 3.3 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:sipp_project:sipp:3.3:*:*:*:*:*:*:* | 3.3 | Vulnerable | Sipp Project |
- cpe:2.3:a:sipp_project:sipp:3.3:*:*:*:*:*:*:* Versions 3.3 Vulnerable ·Sipp Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-25225
- 2026-10-03 Alias added: GHSA-36cw-x2xf-xmg3
References
Exploit 1
Other 1
More SIPp vulnerabilities
- TI-2018-15581 SIPp 3.6 Local Buffer Overflow via Command-line Arguments CVSS 4.0HIGH 8.6
- TI-2026-61687 SIPp through 3.7.7 Buffer Overflow via Oversized SIP Header Content CVSS 4.0HIGH 8.7
- TI-2026-61686 SIPp through 3.7.7 Stack Buffer Overflow via createAuthHeader Algorithm Parameter CVSS 4.0HIGH 8.7
- TI-2026-61685 SIPp through 3.7.7 Buffer Overflow via SIP To Header Tag CVSS 4.0HIGH 8.7
- TI-2008-01882 Stack-based buffer overflow in the get_remote_video_port_media function in call.cpp in… CVSS 2.0HIGH 7.5
Sources
- CVE-2018-25225 · CVE Program
- CVE-2018-25225 · NVD
- FIRST EPSS
- GHSA-36cw-x2xf-xmg3 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences