High severity · published Oct 31, 2019
CVE-2019-5010
An exploitable denial-of-service vulnerability exists in the X509 certificate parser of Python.org Python 2.7.11 / 3.6.6
7.5
CVSS
20.7%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)20.7% · higher than 98% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PY
Python ·
Python.org CPython 2.7.11 Python.org CPython 3.6.6 Python.org CPython 3.5.2 Python.org CPython 3 master at 480833808e918a1dcebbbcfd07d5a8de3c5c2a66 · source: vendor, NVD
DL
Debian Linux · Debian
9.0 · source: NVD
EL
Enterprise Linux · Redhat
8.0 · source: NVD
EL
Enterprise Linux Eus · Redhat
8.1; 8.2; 8.4; 8.6 · source: NVD
EL
Enterprise Linux Server Aus · Redhat
8.2; 8.4; 8.6 · source: NVD
EL
Enterprise Linux Server Tus · Redhat
8.2; 8.4; 8.6 · source: NVD
LE
Leap · Opensuse
15.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-5010
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-5010
vendor-advisory
https://access.redhat.com/errata/RHSA-2019:3520
vendor-advisory
https://access.redhat.com/errata/RHSA-2019:3725
vendor-advisory
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html
vendor-advisory
https://security.gentoo.org/glsa/202003-26
mailing-list
https://lists.debian.org/debian-lts-announce/2020/07/msg00011.html
mailing-list
https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0%40%3Cissues.bookkeeper.apache.org%3E
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