Apport ubuntu.py check_attachment_for_errors file information disclosure

HistoryDiffrelatejsonxmlCTI

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.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Apport. This issue affects the function check_attachment_for_errors of the file data/general-hooks/ubuntu.py. The manipulation results in file information disclosure. This vulnerability is known as CVE-2021-3709. It is possible to launch the attack remotely. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apport (affected version unknown). It has been classified as problematic. Affected is the function check_attachment_for_errors of the file data/general-hooks/ubuntu.py. The manipulation with an unknown input leads to a file information disclosure vulnerability. CWE is classifying the issue as CWE-538. The product places sensitive information into files or directories that are accessible to actors who are allowed to have access to the files, but not to the sensitive information. This is going to have an impact on confidentiality.

The weakness was published 10/01/2021 as USN-5077-1. The advisory is shared for download at bugs.launchpad.net. This vulnerability is traded as CVE-2021-3709 since 08/16/2021. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1083.

Upgrading eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Apport

License

free

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.5
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: 🔍

Exploitinginfo

Class: File information disclosure
CWE: CWE-538 / CWE-200 / CWE-284
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/16/2021 🔍
10/01/2021 +46 days 🔍
10/01/2021 +0 days 🔍
10/04/2021 +3 days 🔍

Sourcesinfo

Advisory: USN-5077-1
Status: Confirmed

CVE: CVE-2021-3709 (🔍)
GCVE (CVE): GCVE-0-2021-3709
GCVE (VulDB): GCVE-100-183660

Entryinfo

Created: 10/01/2021 07:32
Updated: 10/04/2021 16:30
Changes: 10/01/2021 07:32 (48), 10/04/2021 16:30 (1)
Complete: 🔍
Cache ID: 216::103