Vulnerability Description
An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. An integer overflow problem allows a remote server to achieve Denial of Service when delivering responses to HTTP Range requests. The issue trigger is a header that can be expected to exist in HTTP traffic without any malicious intent.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Squid-Cache | Squid | >= 3.0, < 4.15 |
| Fedoraproject | Fedora | 33 |
| Netapp | Cloud Manager | - |
Related Weaknesses (CWE)
References
- http://seclists.org/fulldisclosure/2023/Oct/14Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2023/10/11/3Mailing ListThird Party Advisory
- http://www.squid-cache.org/Versions/v4/changesets/squid-4-e7cf864f938f24eea8af06PatchVendor Advisory
- https://github.com/squid-cache/squid/security/advisories/GHSA-pxwq-f3qr-w2xfThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/06/msg00014.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.netapp.com/advisory/ntap-20210716-0007/Third Party Advisory
- http://seclists.org/fulldisclosure/2023/Oct/14Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2023/10/11/3Mailing ListThird Party Advisory
- http://www.squid-cache.org/Versions/v4/changesets/squid-4-e7cf864f938f24eea8af06PatchVendor Advisory
- https://github.com/squid-cache/squid/security/advisories/GHSA-pxwq-f3qr-w2xfThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/06/msg00014.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
FAQ
What is CVE-2021-31807?
CVE-2021-31807 is a vulnerability with a CVSS score of 6.5 (MEDIUM). An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. An integer overflow problem allows a remote server to achieve Denial of Service when delivering responses to HTTP Range requests. The...
How severe is CVE-2021-31807?
CVE-2021-31807 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-31807?
Check the references section above for vendor advisories and patch information. Affected products include: Squid-Cache Squid, Fedoraproject Fedora, Netapp Cloud Manager.