CVE-2017-1000371
Vulnerability from cvelistv5
Published
2017-06-19 16:00
Modified
2024-08-05 22:00
Severity ?
Summary
The offset2lib patch as used by the Linux Kernel contains a vulnerability, if RLIMIT_STACK is set to RLIM_INFINITY and 1 Gigabyte of memory is allocated (the maximum under the 1/4 restriction) then the stack will be grown down to 0x80000000, and as the PIE binary is mapped above 0x80000000 the minimum distance between the end of the PIE binary's read-write segment and the start of the stack becomes small enough that the stack guard page can be jumped over by an attacker. This affects Linux Kernel version 4.11.5. This is a different issue than CVE-2017-1000370 and CVE-2017-1000365. This issue appears to be limited to i386 based systems.
References
cve@mitre.orghttp://www.debian.org/security/2017/dsa-3981Third Party Advisory
cve@mitre.orghttp://www.securityfocus.com/bid/99131Third Party Advisory, VDB Entry
cve@mitre.orghttps://access.redhat.com/security/cve/CVE-2017-1000371Third Party Advisory, VDB Entry
cve@mitre.orghttps://www.exploit-db.com/exploits/42273/Third Party Advisory, VDB Entry
cve@mitre.orghttps://www.exploit-db.com/exploits/42276/Third Party Advisory, VDB Entry
cve@mitre.orghttps://www.qualys.com/2017/06/19/stack-clash/stack-clash.txtThird Party Advisory
Impacted products
n/an/a
Show details on NVD website

To clipboard 

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