CVE-2020-11728 Information

Description

An issue was discovered in DAViCal Andrew’s Web Libraries (AWL) through 0.60. Session management does not use a sufficiently hard-to-guess session key. Anyone who can guess the microsecond time (and the incrementing session_id) can impersonate a session.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Reference

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=956650 https://gitlab.com/davical-project/awl/-/issues/19 https://lists.debian.org/debian-lts-announce/2020/04/msg00011.html https://usn.ubuntu.com/4539-1/ https://www.debian.org/security/2020/dsa-4660

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

7.5