CVE-2017-1000365
Last modified
CVE-2017-1000365 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. The Linux Kernel imposes a size restriction on the arguments and environmental strings passed through RLIMIT_STACK/RLIM_INFINITY (1/4 of the size), but does not take the argument and environment pointers into account, which allows attackers to bypass this limitation. This affects Linux Kernel versions 4.11.5 and earlier. EPSS estimates a 0.90% chance of exploitation in the next 30 days.
Description
The Linux Kernel imposes a size restriction on the arguments and environmental strings passed through RLIMIT_STACK/RLIM_INFINITY (1/4 of the size), but does not take the argument and environment pointers into account, which allows attackers to bypass this limitation. This affects Linux Kernel versions 4.11.5 and earlier. It appears that this feature was introduced in the Linux Kernel version 2.6.23.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 2.6.23, < 3.2.91 |
| Linux | Linux Kernel | >= 3.3, < 3.10.108 |
| Linux | Linux Kernel | >= 3.11, < 3.16.46 |
| Linux | Linux Kernel | >= 3.17, < 3.18.59 |
| Linux | Linux Kernel | >= 3.19, < 4.1.43 |
| Linux | Linux Kernel | >= 4.2, < 4.4.75 |
| Linux | Linux Kernel | >= 4.5, < 4.9.35 |
| Linux | Linux Kernel | >= 4.10, < 4.11.8 |
References
- http://www.debian.org/security/2017/dsa-3927Third Party Advisory
- http://www.debian.org/security/2017/dsa-3945Third Party Advisory
- http://www.securityfocus.com/bid/99156Third Party Advisory, VDB Entry
- https://access.redhat.com/security/cve/CVE-2017-1000365Third Party Advisory, VDB Entry
- https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txtThird Party Advisory
- http://www.debian.org/security/2017/dsa-3927Third Party Advisory
- http://www.debian.org/security/2017/dsa-3945Third Party Advisory
- http://www.securityfocus.com/bid/99156Third Party Advisory, VDB Entry
- https://access.redhat.com/security/cve/CVE-2017-1000365Third Party Advisory, VDB Entry
- https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txtThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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