CVE - CVE-2011-1020

CVE-ID
CVE-2011-1020	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
The proc filesystem implementation in the Linux kernel 2.6.37 and earlier does not restrict access to the /proc directory tree of a process after this process performs an exec of a setuid program, which allows local users to obtain sensitive information or cause a denial of service via open, lseek, read, and write system calls.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:20110122 Proc filesystem and SUID-Binaries URL:http://seclists.org/fulldisclosure/2011/Jan/421 MISC:43496 URL:http://secunia.com/advisories/43496 MISC:46567 URL:http://www.securityfocus.com/bid/46567 MISC:8107 URL:http://securityreason.com/securityalert/8107 MISC:[linux-kernel] 20110207 Re: [SECURITY] /proc/$pid/ leaks contents across setuid exec URL:https://lkml.org/lkml/2011/2/7/414 MISC:[linux-kernel] 20110207 Re: [SECURITY] /proc/$pid/ leaks contents across setuid exec URL:https://lkml.org/lkml/2011/2/7/474 MISC:[linux-kernel] 20110207 [SECURITY] /proc/$pid/ leaks contents across setuid exec URL:https://lkml.org/lkml/2011/2/7/368 MISC:[linux-kernel] 20110208 Re: [SECURITY] /proc/$pid/ leaks contents across setuid exec URL:https://lkml.org/lkml/2011/2/7/404 MISC:[linux-kernel] 20110208 Re: [SECURITY] /proc/$pid/ leaks contents across setuid exec URL:https://lkml.org/lkml/2011/2/7/466 MISC:[linux-kernel] 20110209 Re: [SECURITY] /proc/$pid/ leaks contents across setuid exec URL:https://lkml.org/lkml/2011/2/10/21 MISC:[linux-kernel] 20110209 Re: [SECURITY] /proc/$pid/ leaks contents across setuid exec URL:https://lkml.org/lkml/2011/2/9/417 MISC:[oss-security] 20110224 CVE request: kernel: /proc/$pid/ leaks contents across setuid exec URL:http://openwall.com/lists/oss-security/2011/02/24/18 MISC:[oss-security] 20110225 Re: CVE request: kernel: /proc/$pid/ leaks contents across setuid exec URL:http://openwall.com/lists/oss-security/2011/02/25/2 MISC:http://www.halfdog.net/Security/2011/SuidBinariesAndProcInterface/ URL:http://www.halfdog.net/Security/2011/SuidBinariesAndProcInterface/ MISC:kernel-procpid-security-bypass(65693) URL:https://exchange.xforce.ibmcloud.com/vulnerabilities/65693
Assigning CNA
Red Hat, Inc.
Date Record Created
20110214	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20110214)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
This is an record on the CVE List, which provides common identifiers for publicly known cybersecurity vulnerabilities.
Search CVE Using Keywords: You can also search by reference using the CVE Reference Maps.
For More Information: CVE Request Web Form (select "Other" from dropdown)

Use of the CVE® List and the associated references from this website are subject to the terms of use. CVE is sponsored by the U.S. Department of Homeland Security (DHS) Cybersecurity and Infrastructure Security Agency (CISA). Copyright © 1999–2024, The MITRE Corporation. CVE and the CVE logo are registered trademarks of The MITRE Corporation.