podman File System toctou

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in podman. This impacts an unknown function of the component File System Handler. Such manipulation leads to toctou. This vulnerability is documented as CVE-2023-0778. The attack needs to be performed locally. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in podman (affected version not known). Affected by this issue is some unknown functionality of the component File System Handler. The manipulation with an unknown input leads to a toctou vulnerability. Using CWE to declare the problem leads to CWE-367. The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A Time-of-check Time-of-use (TOCTOU) flaw was found in podman. This issue may allow a malicious user to replace a normal file in a volume with a symlink while exporting the volume, allowing for access to arbitrary files on the host file system.

The weakness was released 03/28/2023. The advisory is shared for download at bugzilla.redhat.com. This vulnerability is handled as CVE-2023-0778 since 02/10/2023. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 240018 (TencentOS Server 3: container-tools (TSSA-2023:0109)), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the databases at Tenable (240018) and EUVD (EUVD-2023-1087). Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 6.0

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

NVD Base Score: 6.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Toctou
CWE: CWE-367 / CWE-362
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 240018
Nessus Name: TencentOS Server 3: container-tools (TSSA-2023:0109)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/10/2023 🔍
03/28/2023 +45 days 🔍
03/28/2023 +0 days 🔍
07/06/2025 +831 days 🔍

Sourcesinfo

Advisory: bugzilla.redhat.com
Status: Not defined

CVE: CVE-2023-0778 (🔍)
GCVE (CVE): GCVE-0-2023-0778
GCVE (VulDB): GCVE-100-224156
EUVD: 🔍

Entryinfo

Created: 03/28/2023 08:34
Updated: 07/06/2025 18:09
Changes: 03/28/2023 08:34 (35), 04/16/2023 08:06 (11), 06/17/2025 15:45 (17), 07/06/2025 18:09 (1)
Complete: 🔍
Cache ID: 216::103

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