Sudo up to 1.9.13p1 Per-Command chroot double free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Sudo up to 1.9.13p1. This issue affects some unknown processing of the component Per-Command chroot Handler. This manipulation causes double free. This vulnerability is registered as CVE-2023-27320. The attack needs to be launched locally. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Sudo up to 1.9.13p1 (Operating System Utility Software). Affected by this vulnerability is an unknown code of the component Per-Command chroot Handler. The manipulation with an unknown input leads to a double free vulnerability. The CWE definition for the vulnerability is CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Sudo before 1.9.13p2 has a double free in the per-command chroot feature.

The weakness was published 02/28/2023. It is possible to read the advisory at sudo.ws. This vulnerability is known as CVE-2023-27320 since 02/28/2023. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 1.9.13p2 eliminates this vulnerability. The upgrade is hosted for download at sudo.ws.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-31097). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.2
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Double free
CWE: CWE-415 / CWE-119
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Sudo 1.9.13p2

Timelineinfo

02/28/2023 🔍
02/28/2023 +0 days 🔍
02/28/2023 +0 days 🔍
11/17/2025 +992 days 🔍

Sourcesinfo

Advisory: FEDORA-2023-11c9d868ca
Status: Confirmed

CVE: CVE-2023-27320 (🔍)
GCVE (CVE): GCVE-0-2023-27320
GCVE (VulDB): GCVE-100-221995
EUVD: 🔍

Entryinfo

Created: 02/28/2023 20:56
Updated: 11/17/2025 00:16
Changes: 02/28/2023 20:56 (40), 03/26/2023 12:35 (1), 03/26/2023 12:42 (11), 11/17/2025 00:16 (16)
Complete: 🔍
Cache ID: 216::103

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

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