Flatpak up to 1.0.6/1.1.x/1.2.2 Script Sandbox /proc input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Flatpak up to 1.0.6/1.1.x/1.2.2. Affected is an unknown function of the file /proc of the component Script Sandbox. The manipulation leads to input validation. This vulnerability is traded as CVE-2019-8308. It is possible to launch the attack on the local host. There is no exploit available. It is recommended to upgrade the affected component. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Flatpak up to 1.0.6/1.1.x/1.2.2. This issue affects some unknown functionality of the file /proc of the component Script Sandbox. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Flatpak before 1.0.7, and 1.1.x and 1.2.x before 1.2.3, exposes /proc in the apply_extra script sandbox, which allows attackers to modify a host-side executable file.

The bug was discovered 02/11/2019. The weakness was presented 02/12/2019 (Website). The advisory is shared at access.redhat.com. The identification of this vulnerability is CVE-2019-8308 since 02/12/2019. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 351542 (Amazon Linux Security Advisory for flatpak: ALAS2-2019-1183).

Upgrading to version 1.0.7 or 1.2.3 eliminates this vulnerability.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.8

VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.2
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Flatpak 1.0.7/1.2.3

Timelineinfo

02/11/2019 🔍
02/12/2019 +1 days 🔍
02/12/2019 +0 days 🔍
02/13/2019 +1 days 🔍
07/10/2023 +1608 days 🔍

Sourcesinfo

Advisory: RHSA-2019:0375
Status: Not defined

CVE: CVE-2019-8308 (🔍)
GCVE (CVE): GCVE-0-2019-8308
GCVE (VulDB): GCVE-100-130853

Entryinfo

Created: 02/13/2019 02:15 PM
Updated: 07/10/2023 09:51 AM
Changes: 02/13/2019 02:15 PM (58), 05/10/2020 11:41 AM (2), 07/10/2023 09:51 AM (5)
Complete: 🔍
Cache ID: 18:A67:40

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