CVE-2017-6412

In Sophos Web Appliance (SWA) before 4.3.1.2, Session Fixation could occur, aka NSWA-1310.

Weakness

Authenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifier gives an attacker the opportunity to steal authenticated sessions.

Affected Software

Extended Description

Such a scenario is commonly observed when:

Potential Mitigations

Related Attack Patterns

• https://cwe.mitre.org/data/definitions/196.html
• https://cwe.mitre.org/data/definitions/21.html
• https://cwe.mitre.org/data/definitions/31.html
• https://cwe.mitre.org/data/definitions/39.html
• https://cwe.mitre.org/data/definitions/59.html
• https://cwe.mitre.org/data/definitions/60.html
• https://cwe.mitre.org/data/definitions/61.html

References

• http://wsa.sophos.com/rn/swa/concepts/ReleaseNotes_4.3.1.2.html
• http://www.securityfocus.com/bid/97261
• https://community.sophos.com/products/web-appliance/b/blog/posts/release-of-swa-v4-3-1-2
• https://www.qualys.com/2017/02/28/qsa-2017-02-28/qsa-2017-02-28.pdf