USN-9048-1: awl vulnerabilities

Published Nov 11, 2026
·
Updated

Andrew Bartlett discovered that AWL did not properly generate session keys. A remote attacker could possibly use this issue to guess a session key and impersonate another user's session. (CVE-2020-11728)

It was discovered that AWL did not securely generate long-term session cookies. A remote attacker could possibly use this issue to guess a session cookie through a brute-force attack and gain access to another user's session. (CVE-2020-11729)

Affected Software

2 affected componentsFixes available
ubuntu/awl<0.56-1ubuntu1+esm1
0.56-1ubuntu1+esm1
ubuntu/awl<0.59-1ubuntu0.1~esm1
0.59-1ubuntu0.1~esm1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade ubuntu/awl to a version that resolves this vulnerability.

    Fixed in 0.56-1ubuntu1+esm1
  2. Upgrade

    Upgrade ubuntu/awl to a version that resolves this vulnerability.

    Fixed in 0.59-1ubuntu0.1~esm1

Event History

Nov 11, 2026
Advisory Published
via OSV·06:27 PM
Data Sourced
via OSV·06:27 PM
DescriptionAffected Software

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What could an attacker gain by exploiting these issues?

An attacker who can guess a session key could impersonate another user's session. An attacker who brute-forces a long-term session cookie could gain access to another user's session.

2

Does exploitation require the attacker to be local or authenticated?

The notice describes the attacker as remote. It does not state that prior authentication or local access is required.

Contact

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