Ecosyste.ms: Advisories

Security Advisories: GSA_kwCzR0hTQS04bXBxLWZtcjMtNmp4ds4AAgfq

LXD vulnerable to Race Condition

LXD before version 0.19-0ubuntu5 doUidshiftIntoContainer() has an unsafe Chmod() call that races against the stat in the Filepath.Walk() function. A symbolic link created in that window could cause any file on the system to have any mode of the attacker's choice.

Specific Go Packages Affected

github.com/lxc/lxd/shared

Permalink: https://github.com/advisories/GHSA-8mpq-fmr3-6jxv
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS04bXBxLWZtcjMtNmp4ds4AAgfq
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: almost 2 years ago
Updated: 7 months ago

CVSS Score: 8.1
CVSS vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Identifiers: GHSA-8mpq-fmr3-6jxv, CVE-2015-1340
References:

• https://nvd.nist.gov/vuln/detail/CVE-2015-1340
• https://github.com/lxc/lxd/commit/19c6961cc1012c8a529f20807328a9357f5034f4
• https://github.com/lxc/lxd/pull/1189
• https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/1502270
• https://pkg.go.dev/vuln/GO-2021-0071
• https://github.com/advisories/GHSA-8mpq-fmr3-6jxv

Repository: https://github.com/lxc/lxd
Blast Radius: 17.8

Affected Packages