CVE-2020-8859 — HIGH (7.5) — White Hats Nepal

Vulnerability Description

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of ELOG Electronic Logbook 3.1.4-283534d. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of HTTP parameters. A crafted request can trigger the dereference of a null pointer. An attacker can leverage this vulnerability to create a denial-of-service condition. Was ZDI-CAN-10115.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Psi	Electronic Logbook	3.1.4-283534d

Related Weaknesses (CWE)

CWE-476

References

https://elog.psi.ch/elogs/Forum/69114Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-252/Third Party AdvisoryVDB Entry
https://elog.psi.ch/elogs/Forum/69114Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-252/Third Party AdvisoryVDB Entry

FAQ

What is CVE-2020-8859?

CVE-2020-8859 is a vulnerability with a CVSS score of 7.5 (HIGH). This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of ELOG Electronic Logbook 3.1.4-283534d. Authentication is not required to exploit this vu...

How severe is CVE-2020-8859?

CVE-2020-8859 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-8859?

Check the references section above for vendor advisories and patch information. Affected products include: Psi Electronic Logbook.