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CVE-2015-3627

HIGH
7.2NVD

Summary

generated automatically from NVD data

Libcontainer and Docker Engine before 1.6.1 contain a link-following flaw (CWE-59) in how they handle the file descriptor passed to the pid-1 process. The descriptor is opened before the chroot is performed, so a symlink placed in a container image can be abused by a local user to gain elevated privileges. The CVSS v2.0 score is 7.2 (HIGH), with a local attack vector and high impact on confidentiality, integrity and availability.

NVD description

Libcontainer and Docker Engine before 1.6.1 opens the file-descriptor passed to the pid-1 process before performing the chroot, which allows local users to gain privileges via a symlink attack in an image.

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EPSS · FIRST.org

0.61%probability of exploitation in the next 30 days

Higher than 49% of scored CVEs

EPSS (Exploit Prediction Scoring System) estimates, from observed exploitation activity, how likely a CVE is to be exploited in the next 30 days. It complements CVSS, which measures severity, not likelihood. Score of 2026-10-30, recomputed daily by FIRST.org.

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