5.9med

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.

Published 7 y ago · modified 32 d ago · JSON

CVSS
5.9
v3.0 · CNA
CISA KEV
No
not known exploited
EPSS
20.7%
percentile 98%
Public exploits
0
none known

Summary

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.

CISA SSVC assessment

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
32 d ago

Exploit prediction (EPSS)

20.74% probability of exploitation in the next 30 days, higher than 98% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
CNA3.05.9CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD3.17.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA3.05.9CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD2.05.0AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

  • n/a Python

Classification

Weakness

References

  • access.redhat.com /errata/RHSA-2019:3520 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • access.redhat.com /errata/RHSA-2019:3725 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2020-01/msg00040.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • security.gentoo.org /glsa/202003-26 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • lists.debian.org /debian-lts-announce/2020/07/msg00011.html · mailing-list, x_refsource_MLIST, x_transferred
  • lists.apache.org /thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0%40%3Cissues.bookkee · mailing-list, x_refsource_MLIST, x_transferred
  • lists.debian.org /debian-lts-announce/2020/08/msg00034.html · mailing-list, x_refsource_MLIST, x_transferred
  • talosintelligence.com /vulnerability_reports/TALOS-2019-0758 · x_refsource_MISC, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.