VDB-149813 · CVE-2019-11485 · usn-4171-1

Apport Lock File unrestricted externally accessible lock

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.3	$0-$5k	0.04

A vulnerability was found in Apport (version now known). It has been rated as problematic. This issue affects some unknown processing of the component Lock File Handler. The manipulation with an unknown input leads to a unrestricted externally accessible lock vulnerability. Using CWE to declare the problem leads to CWE-412. The product properly checks for the existence of a lock, but the lock can be externally controlled or influenced by an actor that is outside of the intended sphere of control. Impacted is availability. The summary by CVE is:

Sander Bos discovered Apport's lock file was in a world-writable director which allowed all users to prevent crash handling.

The weakness was presented 02/08/2020. The identification of this vulnerability is CVE-2019-11485 since 04/23/2019. An attack has to be approached locally. Required for exploitation is a simple authentication. Neither technical details nor an exploit are publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

See 149811, 149810 and 149809 for similar entries.

Productinfo

Name

Apport

License

free

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 3.3
NVD Vector: 🔍

CNA Base Score: 3.3
CNA Vector (Canonical Ltd.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Unrestricted externally accessible lock
CWE: CWE-412 / CWE-404
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/23/2019 🔍
02/08/2020 +291 days 🔍
02/08/2020 +0 days 🔍
03/29/2024 +1511 days 🔍

Sourcesinfo

Advisory: usn-4171-1
Status: Not defined

CVE: CVE-2019-11485 (🔍)
See also: 🔍

Entryinfo

Created: 02/08/2020 15:48
Updated: 03/29/2024 08:17
Changes: 02/08/2020 15:48 (34), 02/08/2020 15:53 (11), 03/29/2024 08:14 (17), 03/29/2024 08:17 (17)
Complete: 🔍