CVE-2020-5645

Session fixation vulnerability in TCP/IP function included in the firmware of GT14 Model of GOT 1000 series (GT1455-QTBDE CoreOS version 05.65.00.BD and earlier, GT1450-QMBDE CoreOS version 05.65.00.BD and earlier, GT1450-QLBDE CoreOS version 05.65.00.BD and earlier, GT1455HS-QTBDE CoreOS version 05.65.00.BD and earlier, and GT1450HS-QMBDE CoreOS version 05.65.00.BD and earlier) allows a remote unauthenticated attacker to stop the network functions of the products via a specially crafted packet.

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

• https://jvn.jp/vu/JVNVU99562395/index.html
• https://us-cert.cisa.gov/ics/advisories/icsa-20-310-02
• https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-014.pdf
• https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-014_en.pdf