Bubblewrap up to 0.3.2 bubblewrap.c input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability has been found in Bubblewrap up to 0.3.2 and classified as critical. The affected element is an unknown function of the file bubblewrap.c. This manipulation causes input validation. This vulnerability is handled as CVE-2019-12439. It is possible to launch the attack on the local host. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Bubblewrap up to 0.3.2. It has been declared as critical. Affected by this vulnerability is an unknown part of the file bubblewrap.c. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

bubblewrap.c in Bubblewrap before 0.3.3 misuses temporary directories in /tmp as a mount point. In some particular configurations (related to XDG_RUNTIME_DIR), a local attacker may abuse this flaw to prevent other users from executing bubblewrap or potentially execute code.

The weakness was released 05/29/2019 (Website). It is possible to read the advisory at security.gentoo.org. This vulnerability is known as CVE-2019-12439 since 05/29/2019. Attacking locally is a requirement. A single authentication is necessary for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 210538 (RHEL 7 : CloudForms 4.7.7 (RHSA-2019:1833)), which helps to determine the existence of the flaw in a target environment. The commercial vulnerability scanner Qualys is able to test this issue with plugin 172456 (OpenSUSE Security Update for bubblewrap (openSUSE-SU-2019:1535-1)).

Upgrading to version 0.3.3 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (210538). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 7.4
CNA Vector (MITRE): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 210538
Nessus Name: RHEL 7 : CloudForms 4.7.7 (RHSA-2019:1833)

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Bubblewrap 0.3.3
Patch: github.com

Timelineinfo

05/29/2019 🔍
05/29/2019 +0 days 🔍
05/30/2019 +1 days 🔍
11/08/2024 +1989 days 🔍

Sourcesinfo

Advisory: RHSA-2019:1833
Status: Confirmed

CVE: CVE-2019-12439 (🔍)
GCVE (CVE): GCVE-0-2019-12439
GCVE (VulDB): GCVE-100-135691

Entryinfo

Created: 05/30/2019 09:09
Updated: 11/08/2024 05:23
Changes: 05/30/2019 09:09 (57), 06/17/2020 07:59 (1), 09/25/2023 08:14 (18), 11/08/2024 05:23 (18)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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