Vulnerability · Published Mar 23, 2020 · Assigned by zdi

CVE-2020-8859

Medium 5.3

In plain English

A medium-severity null pointer dereference in Electronic Logbook from ELOG. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.6% (higher than 89% of all known vulnerabilities).

Severity (CVSS 3.0)5.3Medium

Exploit odds (30 days)3.6%top 10.6% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Ubuntu:22.04:LTS	elog	no fix listed	UBUNTU-CVE-2020-8859

Affected products (as reported)

Vendor	Product	Versions
ELOG	Electronic Logbook	3.1.4-283534d

Weakness: CWE-476 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References

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