CVE-2020-15049
At a glance
- Source
- NVD
- EPSS
- EPSS 5.71 % · percentile 93 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- mitre
- NVD status
- Modified
Description
An issue was discovered in http/ContentLengthInterpreter.cc in Squid before 4.12 and 5.x before 5.0.3. A Request Smuggling and Poisoning attack can succeed against the HTTP cache. The client sends an HTTP request with a Content-Length header containing "+\ "-" or an uncommon shell whitespace character prefix to the length field-value.
Weaknesses (CWE)
- CWE-444 — Inconsistent Interpretation of HTTP Requests
References
- http://www.squid-cache.org/Versions/v4/changesets/squid-4-ea12a34d338b962707d5078d6d1fc7c6eb119a22.patch
- http://www.squid-cache.org/Versions/v5/changesets/squid-5-485c9a7bb1bba88754e07ad0094647ea57a6eb8d.patch
- https://github.com/squid-cache/squid/security/advisories/GHSA-qf3v-rc95-96j5
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3RG5FGSTCAYVIJPJHIY3MRZ7NFT6HDO7/
- https://www.debian.org/security/2020/dsa-4732
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00012.html
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00017.html
- https://usn.ubuntu.com/4551-1/
- https://lists.debian.org/debian-lts-announce/2020/10/msg00005.html
- https://security.netapp.com/advisory/ntap-20210312-0001/
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | CRITICAL 9.9 | CVSS:3.1/AC:L/AV:N/A:H/C:H/I:H/PR:L/S:C/UI:N | mitre |
| CVSS 3.1 | CRITICAL 9.9 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H | NVD · cve@mitre.org (Secondary) |
| CVSS 3.1 | HIGH 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | MEDIUM 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2020-7177
- GCVE · GCVE-0-2020-15049
CERT-FR advisories
- CERTFR-2021-AVI-700 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
- CERTFR-2020-AVI-393 — Vulnérabilité dans Squid · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*≥ 2.0 ≤ 2.6cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*≥ 3.1 ≤ 3.5.28cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*≥ 4.0 < 4.12cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*≥ 5.0 < 5.0.3cpe:2.3:a:squid-cache:squid:2.7:*:*:*:*:*:*:*cpe:2.3:a:squid-cache:squid:2.7:stable2:*:*:*:*:*:*cpe:2.3:a:squid-cache:squid:2.7:stable3:*:*:*:*:*:*cpe:2.3:a:squid-cache:squid:2.7:stable4:*:*:*:*:*:*cpe:2.3:a:squid-cache:squid:2.7:stable5:*:*:*:*:*:*cpe:2.3:a:squid-cache:squid:2.7:stable6:*:*:*:*:*:*cpe:2.3:a:squid-cache:squid:2.7:stable7:*:*:*:*:*:*cpe:2.3:a:squid-cache:squid:2.7:stable8:*:*:*:*:*:*cpe:2.3:a:squid-cache:squid:2.7:stable9:*:*:*:*:*:*cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| affected n/a |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |