Vulnerability Description
In ACCEL-PPP (an implementation of PPTP/PPPoE/L2TP/SSTP), there is a buffer overflow when receiving an l2tp control packet ith an AVP which type is a string and no hidden flags, length set to less than 6. If your application is used in open networks or there are untrusted nodes in the network it is highly recommended to apply the patch. The problem was patched with commit 2324bcd5ba12cf28f47357a8f03cd41b7c04c52b As a workaround changes of commit 2324bcd5ba12cf28f47357a8f03cd41b7c04c52b can be applied to older versions.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Accel-Ppp | Accel-Ppp | <= 1.12.0-92-g38b6104 |
Related Weaknesses (CWE)
References
- https://github.com/accel-ppp/accel-ppp/commit/2324bcd5ba12cf28f47357a8f03cd41b7cPatchThird Party Advisory
- https://github.com/accel-ppp/accel-ppp/security/advisories/GHSA-rr68-fchr-69vfThird Party Advisory
- https://github.com/accel-ppp/accel-ppp/commit/2324bcd5ba12cf28f47357a8f03cd41b7cPatchThird Party Advisory
- https://github.com/accel-ppp/accel-ppp/security/advisories/GHSA-rr68-fchr-69vfThird Party Advisory
FAQ
What is CVE-2020-15173?
CVE-2020-15173 is a vulnerability with a CVSS score of 8.2 (HIGH). In ACCEL-PPP (an implementation of PPTP/PPPoE/L2TP/SSTP), there is a buffer overflow when receiving an l2tp control packet ith an AVP which type is a string and no hidden flags, length set to less tha...
How severe is CVE-2020-15173?
CVE-2020-15173 has been rated HIGH with a CVSS base score of 8.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-15173?
Check the references section above for vendor advisories and patch information. Affected products include: Accel-Ppp Accel-Ppp.