The Vigil@nce team watches public vulnerabilities impacting your computers, and then offers security solutions, a vigilance database and tools to fix them.

Vulnerability of Python: denial of service via http.cookiejar ReDoS

Synthesis of the vulnerability 

An attacker can trigger a fatal error via http.cookiejar ReDoS of Python, in order to trigger a denial of service.
Vulnerable products: Fedora, Python.
Severity of this weakness: 2/4.
Creation date: 19/12/2019.
Références of this bulletin: FEDORA-2020-16167a66a2, FEDORA-2020-4cf7c3910b, VIGILANCE-VUL-31194.

Description of the vulnerability 

An attacker can trigger a fatal error via http.cookiejar ReDoS of Python, in order to trigger a denial of service.
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

This threat alert impacts software or systems such as Fedora, Python.

Our Vigil@nce team determined that the severity of this computer vulnerability bulletin is medium.

The trust level is of type confirmed by the editor, with an origin of document.

An attacker with a expert ability can exploit this weakness note.

Solutions for this threat 

Python: version 3.8.1.
The version 3.8.1 is fixed:
  https://www.python.org/downloads/

Python: version 3.7.6.
The version 3.7.6 is fixed:
  https://www.python.org/downloads/

Python: version 3.6.10.
The version 3.6.10 is fixed:
  https://www.python.org/downloads/

Fedora 31-32: new python35 packages.
New packages are available:
  Fedora 31: python35 3.5.10-1.fc31
  Fedora 32: python35 3.5.10-1.fc32

Python: version 3.5.10.
The version 3.5.10 is fixed:
  https://www.python.org/downloads/release/python-3510/
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

Computer vulnerabilities tracking service 

Vigil@nce provides computer security alerts. The Vigil@nce team tracks computer vulnerabilities impacting systems and applications.