Security readout for executives and security teams
This flaw affects GNU coreutils chroot when used with --userspec. A local user may manipulate the controlling terminal and escape back into the parent session, risking limited data exposure or command influence. It is not remotely exploitable from the provided evidence. Exposure is most likely on Unix-like systems using GNU coreutils chroot with --userspec in interactive sessions involving less-trusted local users. The source bundle does not identify specific affected versions, distributions, or package fixes. Treat as a targeted local-access risk, not an internet-wide emergency. Prioritize shared administrative hosts, bastions, build systems, and environments where untrusted users interact with chroot workflows. Mitigation focus: Check vendor or distribution guidance for affected coreutils packages and fixed versions.; Avoid using interactive chroot --userspec sessions with untrusted local users.; Restrict local shell access and chroot administration to trusted operators..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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Open ATT&CK lookupCVE-2016-2781 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 4.6 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CNA and ADP enrichment extracted from CVE v5
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CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N1.52.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.6MediumVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- [mina-dev] 20210225 [jira] [Created] (FTPSERVER-500) Security vulnerability in common/lib/log4j-1.2.17.jarCVE reference · mailing-list, x_refsource_MLIST
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
