mono up to 5.20.0 on Debian MIME Type access control

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in mono on Debian. Affected is an unknown function of the component MIME Type Handler. This manipulation causes access control. This vulnerability is registered as CVE-2023-26314. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in mono on Debian. It has been declared as critical. Affected by this vulnerability is some unknown processing of the component MIME Type Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The mono package before 6.8.0.105+dfsg-3.3 for Debian allows arbitrary code execution because the application/x-ms-dos-executable MIME type is associated with an un-sandboxed Mono CLR interpreter.

The weakness was published 02/22/2023. The advisory is shared at bugs.debian.org. This vulnerability is known as CVE-2023-26314 since 02/22/2023. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

Upgrading to version 6.8.0.105+dfsg-3.3 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-30135). 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: 7.7
VulDB Meta Temp Score: 7.6

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

ADP CISA Base Score: 8.8
ADP CISA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: mono 6.8.0.105+dfsg-3.3

Timelineinfo

02/22/2023 🔍
02/22/2023 +0 days 🔍
02/22/2023 +0 days 🔍
05/19/2026 +1182 days 🔍

Sourcesinfo

Advisory: DLA 3343-1
Status: Confirmed

CVE: CVE-2023-26314 (🔍)
GCVE (CVE): GCVE-0-2023-26314
GCVE (VulDB): GCVE-100-221605
EUVD: 🔍

Entryinfo

Created: 02/22/2023 09:03
Updated: 05/19/2026 16:30
Changes: 02/22/2023 09:03 (39), 03/23/2023 21:40 (1), 03/23/2023 21:52 (11), 03/18/2025 19:56 (17), 11/09/2025 03:24 (1), 05/19/2026 16:30 (11)
Complete: 🔍
Cache ID: 216::103

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

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