CVE-2015-5400
UnknownEPSS 16.53%
Last modified
CVE-2015-5400 is a vulnerability of currently unknown severity. Squid before 3.5.6 does not properly handle CONNECT method peer responses when configured with cache_peer, which allows remote attackers to bypass intended restrictions and gain access to a backend proxy via a CONNECT request.. EPSS estimates a 16.53% chance of exploitation in the next 30 days.
Description
Squid before 3.5.6 does not properly handle CONNECT method peer responses when configured with cache_peer, which allows remote attackers to bypass intended restrictions and gain access to a backend proxy via a CONNECT request.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Fedoraproject | Fedora | 22 |
| Debian | Debian Linux | 7.0 |
| Debian | Debian Linux | 8.0 |
| Squid-Cache | Squid | <= 3.5.2 |
References
- http://www.squid-cache.org/Advisories/SQUID-2015_2.txtVendor Advisory
- http://www.squid-cache.org/Versions/v3/3.1/changesets/squid-3.1-10494.patchExploit, Vendor Advisory
- http://www.squid-cache.org/Versions/v3/3.4/changesets/squid-3.4-13225.patchExploit, Vendor Advisory
- http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-13856.patchExploit, Vendor Advisory
- http://www.squid-cache.org/Advisories/SQUID-2015_2.txtVendor Advisory
- http://www.squid-cache.org/Versions/v3/3.1/changesets/squid-3.1-10494.patchExploit, Vendor Advisory
- http://www.squid-cache.org/Versions/v3/3.4/changesets/squid-3.4-13225.patchExploit, Vendor Advisory
- http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-13856.patchExploit, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2015-5400?
Squid before 3.5.6 does not properly handle CONNECT method peer responses when configured with cache_peer, which allows remote attackers to bypass intended restrictions and gain access to a backend proxy via a CONNECT request.
How severe is CVE-2015-5400?
Severity scoring for CVE-2015-5400 is pending analysis. The EPSS model estimates a 16.53% probability of exploitation in the next 30 days.
How do I fix CVE-2015-5400?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2015-5400?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST