CVE-2017-7501

Impact:
Moderate
Public Date:
2017-07-03
CWE:
CWE-59
Bugzilla:
1452133: CVE-2017-7501 rpm: Following symlinks to files when installing packages allows privilege escalation
It was found that rpm uses temporary files with predictable names when installing an RPM. An attacker with ability to write in a directory where files will be installed could create symbolic links to an arbitrary location and modify content, and possibly permissions to arbitrary files, which could be used for denial of service or possibly privilege escalation.

Find out more about CVE-2017-7501 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

Red Hat Product Security has rated this issue as having Moderate security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.

CVSS v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 7.3
CVSS3 Base Metrics CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity Impact High
Availability Impact High

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 7 rpm Will not fix
Red Hat Enterprise Linux 6 rpm Will not fix
Red Hat Enterprise Linux 5 rpm Will not fix

Acknowledgements

This issue was discovered by Cedric Buissart (Red Hat).

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