Vulnerability Details : CVE-2019-9740
Potential exploit
An issue was discovered in urllib2 in Python 2.x through 2.7.16 and urllib in Python 3.x through 3.7.3. CRLF injection is possible if the attacker controls a url parameter, as demonstrated by the first argument to urllib.request.urlopen with \r\n (specifically in the query string after a ? character) followed by an HTTP header or a Redis command. This is fixed in: v2.7.17, v2.7.17rc1, v2.7.18, v2.7.18rc1; v3.5.10, v3.5.10rc1, v3.5.8, v3.5.8rc1, v3.5.8rc2, v3.5.9; v3.6.10, v3.6.10rc1, v3.6.11, v3.6.11rc1, v3.6.12, v3.6.9, v3.6.9rc1; v3.7.4, v3.7.4rc1, v3.7.4rc2, v3.7.5, v3.7.5rc1, v3.7.6, v3.7.6rc1, v3.7.7, v3.7.7rc1, v3.7.8, v3.7.8rc1, v3.7.9.
Products affected by CVE-2019-9740
- cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
Threat overview for CVE-2019-9740
Top countries where our scanners detected CVE-2019-9740
Top open port discovered on systems with this issue
80
IPs affected by CVE-2019-9740 206,414
Threat actors abusing to this issue?
Yes
Find out if you* are
affected by CVE-2019-9740!
*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-2019-9740
0.37%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 72 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-9740
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
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 |
CWE ids for CVE-2019-9740
-
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-2019-9740
-
https://access.redhat.com/errata/RHSA-2019:3725
RHSA-2019:3725 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2019/06/msg00023.html
[SECURITY] [DLA 1835-1] python3.4 security updateMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2ORNTF62QPLMJXIQ7KTZQ2776LMIXEKL/
[SECURITY] Fedora 29 Update: python36-3.6.9-1.fc29 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JMWSKTNOHSUOT3L25QFJAVCFYZX46FYK/
[SECURITY] Fedora 29 Update: python3-3.7.3-3.fc29 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://usn.ubuntu.com/4127-2/
USN-4127-2: Python vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M34WOYCDKTDE5KLUACE2YIEH7D37KHRX/
[SECURITY] Fedora 30 Update: python35-3.5.8-2.fc30 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00039.html
[security-announce] openSUSE-SU-2019:2131-1: moderate: Security update fMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4X3HW5JRZ7GCPSR7UHJOLD7AWLTQCDVR/
[SECURITY] Fedora 31 Update: python35-3.5.8-2.fc31 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://usn.ubuntu.com/4127-1/
USN-4127-1: Python vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://access.redhat.com/errata/RHSA-2019:3335
RHSA-2019:3335 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
http://packetstormsecurity.com/files/154927/Slackware-Security-Advisory-python-Updates.html
Slackware Security Advisory - python Updates ≈ Packet StormThird Party Advisory;VDB Entry
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/44TS66GJMO5H3RLMVZEBGEFTB6O2LJJU/
[SECURITY] Fedora 30 Update: python36-3.6.9-1.fc30 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://access.redhat.com/errata/RHSA-2019:2030
RHSA-2019:2030 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2019/06/msg00026.html
[SECURITY] [DLA 1835-2] python3.4 regression updateMailing List;Third Party Advisory
-
http://www.securityfocus.com/bid/107466
Python CVE-2019-9740 CRLF Injection VulnerabilityThird Party Advisory;VDB Entry
-
https://bugs.python.org/issue36276
Issue 36276: [CVE-2019-9740] Python urllib CRLF injection vulnerability - Python trackerExploit;Issue Tracking;Vendor Advisory
-
https://access.redhat.com/errata/RHSA-2019:1260
RHSA-2019:1260 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
http://www.openwall.com/lists/oss-security/2021/02/04/2
oss-security - [CVE-2020-15693, CVE-2020-15694] Nim - stdlib Httpclient - Header Crlf Injection & Server Response ValidationMailing List;Third Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00041.html
[security-announce] openSUSE-SU-2019:2133-1: moderate: Security update fMailing List;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2019/06/msg00022.html
[SECURITY] [DLA 1834-1] python2.7 security updateMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JCPGLTTOBB3QEARDX4JOYURP6ELNNA2V/
[SECURITY] Fedora 29 Update: python35-3.5.8-2.fc29 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2020/08/msg00034.html
[SECURITY] [DLA 2337-1] python2.7 security updateMailing List;Third Party Advisory
-
https://seclists.org/bugtraq/2019/Oct/29
Bugtraq: [slackware-security] python (SSA:2019-293-01)Mailing List;Third Party Advisory
-
https://access.redhat.com/errata/RHSA-2019:3520
RHSA-2019:3520 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
https://security.gentoo.org/glsa/202003-26
Python: Multiple vulnerabilities (GLSA 202003-26) — Gentoo securityThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2020/07/msg00011.html
[SECURITY] [DLA 2280-1] python3.5 security updateMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JXASHCDD4PQFKTMKQN4YOP5ZH366ABN4/
[SECURITY] Fedora 30 Update: python3-3.7.3-3.fc30 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://security.netapp.com/advisory/ntap-20190619-0005/
CVE-2019-9740 Python Vulnerability in NetApp Products | NetApp Product SecurityThird Party Advisory
-
https://www.oracle.com/security-alerts/cpujul2022.html
Oracle Critical Patch Update Advisory - July 2022Third Party Advisory
Jump to