CVE-2017-1000253
Scores
EPSS
Percentile: 54.2%
CVSS
CVSS Score: 7.8/10
All CVSS Scores
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Vector Breakdown
CVSS (Common Vulnerability Scoring System) vector provides detailed metrics about vulnerability characteristics
CVSS
Attack Vector
Local (L)
Describes how the vulnerability is exploited
Attack Complexity
Low (L)
Describes the conditions beyond the attacker's control
Privileges Required
Low (L)
Describes the level of privileges an attacker must possess
User Interaction
None (N)
Captures the requirement for a human user participation
Scope
Unchanged (U)
Determines if a successful attack impacts components beyond the vulnerable component
Confidentiality Impact
High (H)
Measures the impact to the confidentiality of information
Integrity Impact
High (H)
Measures the impact to integrity of a successfully exploited vulnerability
Availability Impact
High (H)
Measures the impact to the availability of the impacted component
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
Vector Breakdown
CVSS (Common Vulnerability Scoring System) vector provides detailed metrics about vulnerability characteristics
CVSS
Attack Vector
Local (L)
Describes how the vulnerability is exploited
Attack Complexity
Low (L)
Describes the conditions beyond the attacker's control
Authentication
None (N)
Describes the level of privileges an attacker must possess
Confidentiality Impact
Complete
Measures the impact to the confidentiality of information
Integrity Impact
Complete
Measures the impact to integrity of a successfully exploited vulnerability
Availability Impact
Complete
Measures the impact to the availability of the impacted component
Description
Linux distributions that have not patched their long-term kernels with https://git.kernel.org/linus/a87938b2e246b81b4fb713edb371a9fa3c5c3c86 (committed on April 14, 2015). This kernel vulnerability was fixed in April 2015 by commit a87938b2e246b81b4fb713edb371a9fa3c5c3c86 (backported to Linux 3.10.77 in May 2015), but it was not recognized as a security threat. With CONFIG_ARCH_BINFMT_ELF_RANDOMIZE_PIE enabled, and a normal top-down address allocation strategy, load_elf_binary() will attempt to map a PIE binary into an address range immediately below mm->mmap_base. Unfortunately, loadelf binary() does not take account of the need to allocate sufficient space for the entire binary which means that, while the first PT_LOAD segment is mapped below mm->mmap_base, the subsequent PT_LOAD segment(s) end up being mapped above mm->mmap_base into the are that is supposed to be the “gap” between the stack and the binary.
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Sources
CWEs
Related Vulnerabilities
Exploits
Exploit ID: CVE-2017-1000253
Source: cisa
URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
Recommendations
Source: nvd
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
The system must be rebooted for this update to take effect.
Source: nvd
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
The system must be rebooted for this update to take effect.
Source: nvd
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
The system must be rebooted for this update to take effect.
Source: nvd
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
The system must be rebooted for this update to take effect.
Source: nvd
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
The system must be rebooted for this update to take effect.
Source: nvd
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
The system must be rebooted for this update to take effect.
Source: nvd
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
The system must be rebooted for this update to take effect.
Source: nvd
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
The system must be rebooted for this update to take effect.
Source: nvd
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
The system must be rebooted for this update to take effect.
Source: nvd
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
The system must be rebooted for this update to take effect.
Vulnerable Software (76)
Type: Configuration
Product: kernel
Operating System: rhel 5.9
{ "fixed": "2.6.18-348.34.2.el5"}
Source: redhat
Type: Configuration
Product: kernel
Operating System: rhel 5
{ "fixed": "2.6.18-423.el5"}
Source: redhat
Type: Configuration
Product: kernel
Operating System: rhel 6
{ "fixed": "2.6.32-696.10.3.el6"}
Source: redhat
Type: Configuration
Product: kernel
Operating System: rhel 6.2
{ "fixed": "2.6.32-220.76.1.el6"}
Source: redhat
Type: Configuration
Product: kernel
Operating System: rhel 6.4
{ "fixed": "2.6.32-358.84.1.el6"}
Source: redhat
Type: Configuration
Product: kernel
Operating System: rhel 6.5
{ "fixed": "2.6.32-431.85.1.el6"}
Source: redhat
Type: Configuration
Product: kernel
Operating System: rhel 6.5
{ "fixed": "2.6.32-431.85.1.el6"}
Source: redhat
Type: Configuration
Product: kernel
Operating System: rhel 6.6
{ "fixed": "2.6.32-504.63.3.el6"}
Source: redhat
Type: Configuration
Product: kernel
Operating System: rhel 6.6
{ "fixed": "2.6.32-504.63.3.el6"}
Source: redhat
Type: Configuration
Product: kernel
Operating System: rhel 6.7
{ "fixed": "2.6.32-573.48.1.el6"}
Source: redhat
Type: Configuration
Product: kernel
Operating System: rhel 7
{ "fixed": "3.10.0-693.el7"}
Source: redhat
Type: Configuration
Product: kernel
Operating System: rhel 7.2
{ "fixed": "3.10.0-327.59.3.el7"}
Source: redhat
Type: Configuration
Product: kernel
Operating System: rhel 7.3
{ "fixed": "3.10.0-514.32.3.el7"}
Source: redhat
Type: Configuration
Product: kernel-doc-un
Operating System: altlinux
{ "fixed": "1:3.19.7-alt1"}
Source: redhat
Type: Configuration
Product: kernel-headers-modules-un-def
Operating System: altlinux
{ "fixed": "1:3.19.7-alt1"}
Source: redhat
Type: Configuration
Product: kernel-headers-un-def
Operating System: altlinux
{ "fixed": "1:3.19.7-alt1"}
Source: redhat
Type: Configuration
Product: kernel-image-domU-un-def
Operating System: altlinux
{ "fixed": "1:3.19.7-alt1"}
Source: redhat
Type: Configuration
Product: kernel-image-un-def
Operating System: altlinux
{ "fixed": "1:3.19.7-alt1"}
Source: redhat
Type: Configuration
Product: kernel-modules-drm-nouveau-un-def
Operating System: altlinux
{ "fixed": "1:3.19.7-alt1"}
Source: redhat
Type: Configuration
Product: kernel-modules-drm-radeon-un-def
Operating System: altlinux
{ "fixed": "1:3.19.7-alt1"}
Source: redhat