Home/CVE/The safe_eval function in Ansible before 1.6.4 does not properly restrict the code subset, which allows remote attackers
CVE

CVE-2014-4678

The safe_eval function in Ansible before 1.6.4 does not properly restrict the code subset, which allows remote attackers

The safe_eval function in Ansible before 1.6.4 does not properly restrict the code subset, which allows remote attackers to execute arbitrary code via crafted instructions. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-4657.

CRITICAL · CVSS 9.8 EPSS 0.10105
Schedule remediation
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 7% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
▤

Affected Products & Versions

2
redhat ansible< 1.6.4
debian linuxall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
PyPI ansible CRITICAL fixed in 1.6.4
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD20 Feb 2020 · 03:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
🔗

References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/ansible/ansible/commit/5429b85b9f6c2e640074176f36ff05fd5e4d1916PatchThird Party Advisory
https://groups.google.com/forum/message/raw?msg=ansible-announce/ieV1vZvcTXU/5Q93ThkY9rIJThird Party Advisory
https://security-tracker.debian.org/tracker/CVE-2014-4678Third Party Advisory
https://www.openwall.com/lists/oss-security/2014/06/26/30Mailing ListPatchThird Party Advisory
https://www.openwall.com/lists/oss-security/2014/07/02/2Mailing ListPatchThird Party Advisory
https://www.rapid7.com/db/vulnerabilities/freebsd-vid-2c493ac8-205e-11e5-a4a5-002590263bf5Third Party Advisory
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