Apport Configuration File symlink

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Apport. Affected by this vulnerability is an unknown functionality of the component Configuration File Handler. This manipulation causes symlink. The identification of this vulnerability is CVE-2019-11481. The attack can only be executed locally. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability has been found in Apport (affected version not known) and classified as critical. Affected by this vulnerability is some unknown functionality of the component Configuration File Handler. The manipulation with an unknown input leads to a symlink vulnerability. The CWE definition for the vulnerability is CWE-61. The product, when opening a file or directory, does not sufficiently account for when the file is a symbolic link that resolves to a target outside of the intended control sphere. This could allow an attacker to cause the product to operate on unauthorized files. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Kevin Backhouse discovered that apport would read a user-supplied configuration file with elevated privileges. By replacing the file with a symbolic link, a user could get apport to read any file on the system as root, with unknown consequences.

The weakness was shared 02/08/2020. This vulnerability is known as CVE-2019-11481 since 04/23/2019. An attack has to be approached locally. A single authentication is required for exploitation. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at packetstormsecurity.com. It is declared as proof-of-concept.

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

The entries VDB-149813, VDB-149811 and VDB-149810 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 8.8
VulDB Temp Score: 8.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 3.8
NVD Vector: 🔍

CNA Base Score: 3.8
CNA Vector (Canonical Ltd.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Symlink
CWE: CWE-61 / CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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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 🔍
06/18/2024 +1592 days 🔍

Sourcesinfo

Advisory: usn-4171-1
Status: Not defined

CVE: CVE-2019-11481 (🔍)
GCVE (CVE): GCVE-0-2019-11481
GCVE (VulDB): GCVE-100-149809
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 02/08/2020 15:45
Updated: 06/18/2024 23:05
Changes: 02/08/2020 15:45 (34), 02/08/2020 15:50 (11), 03/29/2024 07:36 (17), 03/29/2024 07:41 (19), 06/18/2024 23:05 (10)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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