Denial-of-Service Vulnerability in ELOG Electronic Logbook by PSI
CVE-2020-8859

5.3MEDIUM

Key Information:

Vendor

Elog

Status
Electronic Logbook
Vendor
CVE Published:
23 March 2020

What is CVE-2020-8859?

This vulnerability allows remote attackers to trigger a denial-of-service condition on systems running ELOG Electronic Logbook version 3.1.4-283534d without requiring authentication. The flaw arises from improper handling of HTTP parameters, leading to the dereference of a null pointer in the application. An attacker can leverage this vulnerability by sending a specially crafted request, which subsequently disrupts the service, potentially causing significant operational issues.

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Affected Version(s)

Electronic Logbook 3.1.4-283534d

References

https://www.zerodayinitiative.com/advisories/ZDI-20-252/
x_refsource_MISC
https://elog.psi.ch/elogs/Forum/69114
x_refsource_MISC

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Asif Akbar of Trend Micro Security Research
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