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Bug 1453074 (CVE-2017-1000367)
| Summary: | CVE-2017-1000367 sudo: Privilege escalation in via improper get_process_ttyname() parsing | ||||||||||
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| Product: | [Other] Security Response | Reporter: | Huzaifa S. Sidhpurwala <huzaifas> | ||||||||
| Component: | vulnerability | Assignee: | Red Hat Product Security <security-response-team> | ||||||||
| Status: | CLOSED ERRATA | QA Contact: | |||||||||
| Severity: | high | Docs Contact: | |||||||||
| Priority: | high | ||||||||||
| Version: | unspecified | CC: | cdonnell, dapospis, dkopecek, jjelen, jrusnack, jvymazal, kzak, mattdm, mkolbas, pkis, rsroka, sardella, security-response-team, slawomir, wmealing | ||||||||
| Target Milestone: | --- | Keywords: | Security | ||||||||
| Target Release: | --- | ||||||||||
| Hardware: | All | ||||||||||
| OS: | Linux | ||||||||||
| Whiteboard: | |||||||||||
| Fixed In Version: | Doc Type: | If docs needed, set a value | |||||||||
| Doc Text: |
A flaw was found in the way sudo parsed tty information from the process status file in the proc filesystem. A local user with privileges to execute commands via sudo could use this flaw to escalate their privileges to root.
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Story Points: | --- | ||||||||
| Clone Of: | Environment: | ||||||||||
| Last Closed: | 2019-06-08 03:13:12 UTC | Type: | --- | ||||||||
| Regression: | --- | Mount Type: | --- | ||||||||
| Documentation: | --- | CRM: | |||||||||
| Verified Versions: | Category: | --- | |||||||||
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |||||||||
| Cloudforms Team: | --- | Target Upstream Version: | |||||||||
| Embargoed: | |||||||||||
| Bug Depends On: | 1455198, 1455399, 1455400, 1455401, 1455402, 1456237, 1456884 | ||||||||||
| Bug Blocks: | |||||||||||
| Attachments: |
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Description
Huzaifa S. Sidhpurwala
2017-05-22 05:54:32 UTC
Acknowledgments: Name: Qualys Security Created attachment 1282109 [details]
sudo patch
Created attachment 1282148 [details]
proposed rhel-7.3.z patch
Created attachment 1282158 [details]
Isolated reproducer with commented out old code (copied code from sudo-1.8.6)
The same patch applies to rhel-6.10 and rhel-6.9.
Created sudo tracking bugs for this issue: Affects: fedora-all [bug 1456884] External References: https://www.sudo.ws/alerts/linux_tty.html https://access.redhat.com/security/vulnerabilities/3059071 References: http://seclists.org/oss-sec/2017/q2/358 This issue has been addressed in the following products: Red Hat Enterprise Linux 5 Extended Lifecycle Support Via RHSA-2017:1381 https://access.redhat.com/errata/RHSA-2017:1381 This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Red Hat Enterprise Linux 6 Via RHSA-2017:1382 https://access.redhat.com/errata/RHSA-2017:1382 |