CVE-2017-1000370

Public Exploit

Description

The offset2lib patch as used in the Linux Kernel contains a vulnerability that allows a PIE binary to be execve()'ed with 1GB of arguments or environmental strings then the stack occupies the address 0x80000000 and the PIE binary is mapped above 0x40000000 nullifying the protection of the offset2lib patch. This affects Linux Kernel version 4.11.5 and earlier. This is a different issue than CVE-2017-1000371. This issue appears to be limited to i386 based systems.

7.8

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 1.73% Top 20%

Vendor Advisory debian.org

Affected: n/a n/a

References

Link	Tags
http://www.securityfocus.com/bid/99149	vdb entry third party advisory
https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt	third party advisory
http://www.debian.org/security/2017/dsa-3981	third party advisory vendor advisory
https://www.exploit-db.com/exploits/42273/	exploit vdb entry third party advisory
https://www.exploit-db.com/exploits/42274/	exploit vdb entry third party advisory
https://access.redhat.com/security/cve/CVE-2017-1000370	vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2017-1000370?: CVE-2017-1000370 has been scored as a high severity vulnerability.
How to fix CVE-2017-1000370?: To fix CVE-2017-1000370, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-1000370 being actively exploited in the wild?: It is possible that CVE-2017-1000370 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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