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Mend.io Vulnerability Database

CVE-2020-15049

Date: June 30, 2020

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.

Language: C++

Severity Score

9.9

Related Resources (17)

Url: https://usn.ubuntu.com/4551-1/

Url: http://www.squid-cache.org/Versions/v4/changesets/squid-4-ea12a34d338b962707d5078d6d1fc7c6eb119a22.patch

Url: https://security.alpinelinux.org/vuln/CVE-2020-15049

Url: http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00017.html

Url: https://www.debian.org/security/2020/dsa-4732

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2020-15049

Url: https://nvd.nist.gov/vuln/detail/CVE-2020-15049

Url: https://security-tracker.debian.org/tracker/CVE-2020-15049

Url: https://security.netapp.com/advisory/ntap-20210312-0001/

Url: https://lists.debian.org/debian-lts-announce/2020/10/msg00005.html

Url: http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00012.html

Url: https://access.redhat.com/security/cve/CVE-2020-15049

Url: http://www.squid-cache.org/Versions/v5/changesets/squid-5-485c9a7bb1bba88754e07ad0094647ea57a6eb8d.patch

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3RG5FGSTCAYVIJPJHIY3MRZ7NFT6HDO7/

Url: https://github.com/squid-cache/squid/security/advisories/GHSA-qf3v-rc95-96j5

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3RG5FGSTCAYVIJPJHIY3MRZ7NFT6HDO7/

Url: https://www.mend.io/vulnerability-database/CVE-2020-15049

Severity Score

9.9

Weakness Type (CWE)

Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

CWE-444

CVSS v3.1

Base Score:	9.9
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	CHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	6.5
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	SINGLE
Confidentiality (C):	PARTIAL
Integrity (I):	PARTIAL
Availability (A):	PARTIAL
Additional information:

Mend.io Vulnerability Database

We found results for “”

CVE-2020-15049

Date: June 30, 2020

Language: C++

Severity Score

Related Resources (17)

Severity Score

Weakness Type (CWE)

CVSS v3.1

CVSS v2

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