CVE-2019-5010
Published: 18 January 2019
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.
Priority
Low
CVSS 3 base score: 7.5
Status
| Package | Release | Status |
|---|---|---|
|
python2.7 Launchpad, Ubuntu, Debian |
Upstream |
Released
(2.7.16)
|
| Ubuntu 21.04 (Hirsute Hippo) |
Not vulnerable
(2.7.16-2)
|
|
| Ubuntu 20.04 LTS (Focal Fossa) |
Not vulnerable
(2.7.16-2)
|
|
| Ubuntu 18.04 LTS (Bionic Beaver) |
Released
(2.7.15-4ubuntu4~18.04.1)
|
|
| Ubuntu 16.04 ESM (Xenial Xerus) |
Released
(2.7.12-1ubuntu0~16.04.8)
|
|
| Ubuntu 14.04 ESM (Trusty Tahr) |
Not vulnerable
(code not present)
|
|
|
Patches: Upstream: https://github.com/python/cpython/commit/06b15424b0dcacb1c551b2a36e739fffa8d0c595 |
||
|
python3.4 Launchpad, Ubuntu, Debian |
Upstream |
Needs triage
|
| Ubuntu 21.04 (Hirsute Hippo) |
Does not exist
|
|
| Ubuntu 20.04 LTS (Focal Fossa) |
Does not exist
|
|
| Ubuntu 18.04 LTS (Bionic Beaver) |
Does not exist
|
|
| Ubuntu 16.04 ESM (Xenial Xerus) |
Does not exist
|
|
| Ubuntu 14.04 ESM (Trusty Tahr) |
Released
(3.4.3-1ubuntu1~14.04.7+esm2)
|
|
|
Patches: Upstream: https://github.com/python/cpython/commit/6c655ce34ae54adb8eef22b73108e22cc381cb8d |
||
|
python3.5 Launchpad, Ubuntu, Debian |
Upstream |
Needs triage
|
| Ubuntu 21.04 (Hirsute Hippo) |
Does not exist
|
|
| Ubuntu 20.04 LTS (Focal Fossa) |
Does not exist
|
|
| Ubuntu 18.04 LTS (Bionic Beaver) |
Does not exist
|
|
| Ubuntu 16.04 ESM (Xenial Xerus) |
Released
(3.5.2-2ubuntu0~16.04.8)
|
|
| Ubuntu 14.04 ESM (Trusty Tahr) |
Needed
|
|
|
Patches: Upstream: https://github.com/python/cpython/commit/efec7631edf3b9480dc3988c97ffef94df8800da |
||
|
python3.6 Launchpad, Ubuntu, Debian |
Upstream |
Needs triage
|
| Ubuntu 21.04 (Hirsute Hippo) |
Does not exist
|
|
| Ubuntu 20.04 LTS (Focal Fossa) |
Does not exist
|
|
| Ubuntu 18.04 LTS (Bionic Beaver) |
Released
(3.6.8-1~18.04.2)
|
|
| Ubuntu 16.04 ESM (Xenial Xerus) |
Does not exist
|
|
| Ubuntu 14.04 ESM (Trusty Tahr) |
Does not exist
|
|
|
Patches: Upstream: https://github.com/python/cpython/commit/216a4d83c3b72f4fdcd81b588dc3f42cc461739a |
||
|
python3.7 Launchpad, Ubuntu, Debian |
Upstream |
Released
(3.7.2-2)
|
| Ubuntu 21.04 (Hirsute Hippo) |
Does not exist
|
|
| Ubuntu 20.04 LTS (Focal Fossa) |
Does not exist
|
|
| Ubuntu 18.04 LTS (Bionic Beaver) |
Not vulnerable
(3.7.3~rc1-1)
|
|
| Ubuntu 16.04 ESM (Xenial Xerus) |
Does not exist
|
|
| Ubuntu 14.04 ESM (Trusty Tahr) |
Does not exist
|
|
|
Patches: Upstream: https://github.com/python/cpython/commit/be5de958e9052e322b0087c6dba81cdad0c3e031 |
||
Notes
| Author | Note |
|---|---|
| mdeslaur | DoS is only possible in certain situations, see upstream bug report. Marking as low. |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5010
- https://github.com/python/cpython/pull/11569
- https://python-security.readthedocs.io/vuln/ssl-crl-dps-dos.html
- https://blog.talosintelligence.com/2019/01/vulnerability-spotlight-pythonorg.html
- https://ubuntu.com/security/notices/USN-4127-1
- https://ubuntu.com/security/notices/USN-4127-2
- NVD
- Launchpad
- Debian