CVE-2019-9741 : An issue was discovered in net/http in Go 1.11.5. CRLF injection is possible if

An issue was discovered in net/http in Go 1.11.5. CRLF injection is possible if the attacker controls a url parameter, as demonstrated by the second argument to http.NewRequest with \r\n followed by an HTTP header or a Redis command.

Published 2019-03-13 08:29:01

Updated 2021-03-22 13:05:48

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2019-9741

Debian » Debian Linux » Version: 8.0
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
Matching versions
Debian » Debian Linux » Version: 9.0
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Matching versions
Redhat » Enterprise Linux » Version: 8.0
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
Matching versions
Redhat » Developer Tools » Version: 1.0
cpe:2.3:a:redhat:developer_tools:1.0:*:*:*:*:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 29
cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
Matching versions
Golang » GO » Version: 1.11.5
cpe:2.3:a:golang:go:1.11.5:*:*:*:*:*:*:*
Matching versions

Threat overview for CVE-2019-9741

Top countries where our scanners detected CVE-2019-9741

Top open port discovered on systems with this issue 53

IPs affected by CVE-2019-9741 56,748

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2019-9741!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2019-9741

EPSS FAQ

0.98%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 76 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2019-9741

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:N/I:P/A:N	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
6.1	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N	2.8	2.7	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Changed Confidentiality: Low Integrity: Low Availability: None

CWE ids for CVE-2019-9741

CWE-93 Improper Neutralization of CRLF Sequences ('CRLF Injection')

The product uses CRLF (carriage return line feeds) as a special element, e.g. to separate lines or records, but it does not neutralize or incorrectly neutralizes CRLF sequences from inputs.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2019-9741

https://lists.debian.org/debian-lts-announce/2021/03/msg00015.html

[SECURITY] [DLA 2592-1] golang-1.8 security update
Mailing List;Third Party Advisory

CVEs referencing this url
https://access.redhat.com/errata/RHSA-2019:1300

RHSA-2019:1300 - Security Advisory - Red Hat Customer Portal
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/04/msg00007.html

[SECURITY] [DLA 1749-1] golang security update
Mailing List;Third Party Advisory
https://github.com/golang/go/issues/30794

net/http: CRLF injection vulnerability · Issue #30794 · golang/go · GitHub
Exploit;Patch;Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/03/msg00014.html

[SECURITY] [DLA 2591-1] golang-1.7 security update
Mailing List;Third Party Advisory

CVEs referencing this url
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TOOVCEPQM7TZA6VEZEEB7QZABXNHQEHH/

[SECURITY] Fedora 29 Update: golang-1.11.6-1.fc29 - package-announce - Fedora Mailing-Lists
Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1519

RHSA-2019:1519 - Security Advisory - Red Hat Customer Portal
Third Party Advisory
http://www.securityfocus.com/bid/107432

Golang Go CVE-2019-9741 HTTP Response Splitting Vulnerability
Third Party Advisory;VDB Entry