CVE-2020-15701 — MEDIUM (5.5)

Vulnerability Description

An unhandled exception in check_ignored() in apport/report.py can be exploited by a local attacker to cause a denial of service. If the mtime attribute is a string value in apport-ignore.xml, it will trigger an unhandled exception, resulting in a crash. Fixed in 2.20.1-0ubuntu2.24, 2.20.9-0ubuntu7.16, 2.20.11-0ubuntu27.6.

CVSS Score

5.5

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Canonical	Apport	2.20.11-0ubuntu8
Canonical	Ubuntu Linux	20.04

Related Weaknesses (CWE)

CWE-755

References

https://launchpad.net/bugs/1877023ExploitIssue TrackingThird Party Advisory
https://usn.ubuntu.com/4449-1Vendor Advisory
https://usn.ubuntu.com/4449-1/Vendor Advisory
https://usn.ubuntu.com/4449-2/Vendor Advisory
https://launchpad.net/bugs/1877023ExploitIssue TrackingThird Party Advisory
https://usn.ubuntu.com/4449-1Vendor Advisory
https://usn.ubuntu.com/4449-1/Vendor Advisory
https://usn.ubuntu.com/4449-2/Vendor Advisory

FAQ

What is CVE-2020-15701?

CVE-2020-15701 is a vulnerability with a CVSS score of 5.5 (MEDIUM). An unhandled exception in check_ignored() in apport/report.py can be exploited by a local attacker to cause a denial of service. If the mtime attribute is a string value in apport-ignore.xml, it will ...

How severe is CVE-2020-15701?

CVE-2020-15701 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-15701?

Check the references section above for vendor advisories and patch information. Affected products include: Canonical Apport, Canonical Ubuntu Linux.