CVE - CVE-2011-1020

CVE-ID
CVE-2011-1020	Learn more at National Vulnerability Database (NVD) • Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings
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.
FULLDISC:20110122 Proc filesystem and SUID-Binaries URL:http://seclists.org/fulldisclosure/2011/Jan/421 MLIST:[linux-kernel] 20110207 Re: [SECURITY] /proc/$pid/ leaks contents across setuid exec URL:https://lkml.org/lkml/2011/2/7/414 MLIST:[linux-kernel] 20110207 Re: [SECURITY] /proc/$pid/ leaks contents across setuid exec URL:https://lkml.org/lkml/2011/2/7/474 MLIST:[linux-kernel] 20110207 [SECURITY] /proc/$pid/ leaks contents across setuid exec URL:https://lkml.org/lkml/2011/2/7/368 MLIST:[linux-kernel] 20110208 Re: [SECURITY] /proc/$pid/ leaks contents across setuid exec URL:https://lkml.org/lkml/2011/2/7/404 MLIST:[linux-kernel] 20110208 Re: [SECURITY] /proc/$pid/ leaks contents across setuid exec URL:https://lkml.org/lkml/2011/2/7/466 MLIST:[linux-kernel] 20110209 Re: [SECURITY] /proc/$pid/ leaks contents across setuid exec URL:https://lkml.org/lkml/2011/2/9/417 MLIST:[linux-kernel] 20110209 Re: [SECURITY] /proc/$pid/ leaks contents across setuid exec URL:https://lkml.org/lkml/2011/2/10/21 MLIST:[oss-security] 20110224 CVE request: kernel: /proc/$pid/ leaks contents across setuid exec URL:http://openwall.com/lists/oss-security/2011/02/24/18 MLIST:[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/ BID:46567 URL:http://www.securityfocus.com/bid/46567 SECUNIA:43496 URL:http://secunia.com/advisories/43496 SREASON:8107 URL:http://securityreason.com/securityalert/8107 XF:kernel-procpid-security-bypass(65693) URL:https://exchange.xforce.ibmcloud.com/vulnerabilities/65693
Assigning CNA
N/A
Date Entry Created
20110214	Disclaimer: The entry 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
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