CVE-2019-5010 : An exploitable denial-of-service vulnerability exists in the X509 certificate pa

An exploitable denial-of-service vulnerability exists in the X509 certificate parser of Python.org Python 2.7.11 / 3.6.6. A specially crafted X509 certificate can cause a NULL pointer dereference, resulting in a denial of service. An attacker can initiate or accept TLS connections using crafted certificates to trigger this vulnerability.

Published 2019-10-31 21:15:13

Updated 2022-07-28 11:23:35

Source Talos

View at NVD, CVE.org

Vulnerability category: Memory CorruptionDenial of service

Products affected by CVE-2019-5010

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 » Enterprise Linux Eus » Version: 8.1
cpe:2.3:o:redhat:enterprise_linux_eus:8.1:*:*:*:*:*:*:*
Matching versions
Redhat » Enterprise Linux Eus » Version: 8.2
cpe:2.3:o:redhat:enterprise_linux_eus:8.2:*:*:*:*:*:*:*
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Redhat » Enterprise Linux Eus » Version: 8.4
cpe:2.3:o:redhat:enterprise_linux_eus:8.4:*:*:*:*:*:*:*
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Redhat » Enterprise Linux Eus » Version: 8.6
cpe:2.3:o:redhat:enterprise_linux_eus:8.6:*:*:*:*:*:*:*
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Redhat » Enterprise Linux Server Aus » Version: 8.2
cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:*
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Redhat » Enterprise Linux Server Aus » Version: 8.4
cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4:*:*:*:*:*:*:*
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Redhat » Enterprise Linux Server Aus » Version: 8.6
cpe:2.3:o:redhat:enterprise_linux_server_aus:8.6:*:*:*:*:*:*:*
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Redhat » Enterprise Linux Server Tus » Version: 8.2
cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:*
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Redhat » Enterprise Linux Server Tus » Version: 8.4
cpe:2.3:o:redhat:enterprise_linux_server_tus:8.4:*:*:*:*:*:*:*
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Redhat » Enterprise Linux Server Tus » Version: 8.6
cpe:2.3:o:redhat:enterprise_linux_server_tus:8.6:*:*:*:*:*:*:*
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Opensuse » Leap » Version: 15.1
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
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Python » Python
Versions from including (>=) 3.7.0 and before (<) 3.7.3
cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
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Python » Python
Versions from including (>=) 3.6.0 and before (<) 3.6.9
cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
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Python » Python
Versions from including (>=) 3.5.0 and before (<) 3.5.7
cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
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Python » Python
Versions from including (>=) 3.4.0 and before (<) 3.4.10
cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
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Python » Python
Versions from including (>=) 2.7.0 and before (<) 2.7.16
cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
Matching versions

Threat overview for CVE-2019-5010

Top countries where our scanners detected CVE-2019-5010

Top open port discovered on systems with this issue 80

IPs affected by CVE-2019-5010 175,219

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2019-5010!

^*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-2019-5010

EPSS FAQ

3.65%

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

~ 87 %

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

CVSS scores for CVE-2019-5010

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
5.9	MEDIUM	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H	2.2	3.6	Talos
Attack Vector: Network Attack Complexity: High Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2019-5010

CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.
Assigned by:
- nvd@nist.gov (Primary)
- talos-cna@cisco.com (Secondary)

References for CVE-2019-5010

https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0@%3Cissues.bookkeeper.apache.org%3E

[GitHub] [bookkeeper] padma81 opened a new issue #2387: Security vulnerabilities in the apache/bookkeeper-4.9.2 image - Pony Mail
Mailing List;Third Party Advisory

CVEs referencing this url
https://access.redhat.com/errata/RHSA-2019:3725

RHSA-2019:3725 - Security Advisory - Red Hat Customer Portal
Third Party Advisory

CVEs referencing this url
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0758

TALOS-2019-0758 || Cisco Talos Intelligence Group - Comprehensive Threat Intelligence
Exploit;Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html

[security-announce] openSUSE-SU-2020:0086-1: important: Security update
Mailing List;Third Party Advisory

CVEs referencing this url
https://lists.debian.org/debian-lts-announce/2020/08/msg00034.html

[SECURITY] [DLA 2337-1] python2.7 security update
Mailing List;Third Party Advisory

CVEs referencing this url
https://access.redhat.com/errata/RHSA-2019:3520

RHSA-2019:3520 - Security Advisory - Red Hat Customer Portal
Third Party Advisory

CVEs referencing this url
https://security.gentoo.org/glsa/202003-26

Python: Multiple vulnerabilities (GLSA 202003-26) — Gentoo security
Third Party Advisory

CVEs referencing this url
https://lists.debian.org/debian-lts-announce/2020/07/msg00011.html

[SECURITY] [DLA 2280-1] python3.5 security update
Mailing List;Third Party Advisory

CVEs referencing this url