CVE-2019-3994

high

Description

ELOG 3.1.4-57bea22 and below is affected by a denial of service vulnerability due to a use after free. A remote unauthenticated attacker can crash the ELOG server by sending multiple HTTP POST requests which causes the ELOG function retrieve_url() to use a freed variable.

References

https://lists.fedoraproject.org/archives/list/[email protected]/message/2IN3FP6VXYSD4OMUCFZNOL7MKPWRQFAL/

https://lists.fedoraproject.org/archives/list/[email protected]/message/4IAS4HI24H2ERKBZTDEVJ3LEQEFWYSCT/

https://www.tenable.com/security/research/tra-2019-53

Details

Source: MITRE

Published: 2019-12-17

Updated: 2020-01-24

Type: CWE-416

Risk Information

CVSS v2

Base Score: 5

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3

Base Score: 7.5

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

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH