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CVE-2016-8637 (GCVE-0-2016-8637)
Vulnerability from cvelistv5 – Published: 2018-08-01 13:00 – Updated: 2024-08-06 02:27
VLAI?
EPSS
Summary
A local information disclosure issue was found in dracut before 045 when generating initramfs images with world-readable permissions when 'early cpio' is used, such as when including microcode updates. Local attacker can use this to obtain sensitive information from these files, such as encryption keys or credentials.
Severity ?
5 (Medium)
CWE
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| The Dracut Project | dracut |
Affected:
045
|
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GHSA-WF9G-696P-J466
Vulnerability from github – Published: 2022-05-13 01:38 – Updated: 2022-05-13 01:38
VLAI?
Details
A local information disclosure issue was found in dracut before 045 when generating initramfs images with world-readable permissions when 'early cpio' is used, such as when including microcode updates. Local attacker can use this to obtain sensitive information from these files, such as encryption keys or credentials.
Severity ?
7.8 (High)
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CNVD-2016-10775
Vulnerability from cnvd - Published: 2016-11-09
VLAI Severity ?
Title
Dracut本地信息泄露漏洞
Description
Dracut是一个initramfs基础设施,它主要用于创建initramfs镜像。
Dracut存在本地信息泄露漏洞,攻击者可利用漏洞获得敏感信息。
Severity
中
Patch Name
Dracut本地信息泄露漏洞的补丁
Patch Description
Dracut存在本地信息泄露漏洞,攻击者可利用漏洞获得敏感信息。目前,供应商发布了安全公告及相关补丁信息,修复了此漏洞。
Formal description
用户可联系供应商获得补丁信息: https://www.kernel.org/pub/linux/utils/boot/dracut/dracut.html
Reference
http://www.securityfocus.com/bid/94128
Impacted products
| Name | Dracut Dracut |
|---|
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SUSE-SU-2017:0951-1
Vulnerability from csaf_suse - Published: 2017-04-06 07:31 - Updated: 2017-04-06 07:31Summary
Security update for dracut
Notes
Title of the patch
Security update for dracut
Description of the patch
This update for dracut fixes the following issues:
Security issues fixed:
- CVE-2016-8637: When the early microcode loading was enabled during initrd creation, the initrd
would be read-only available for all users, allowing local users to retrieve secrets stored in
the initial ramdisk. (bsc#1008340)
Non security issues fixed:
- Remove zlib module as requirement. (bsc#1020063)
- Unlimit TaskMax for xfs_repair in emergency shell. (bsc#1019938)
- Resolve symbolic links for -i and -k parameters. (bsc#902375)
- Enhance purge-kernels script to handle kgraft patches. (bsc#1017141)
- Allow booting from degraded MD arrays with systemd. (bsc#1017695)
- Allow booting on s390x with fips=1 on the kernel command line. (bnc#1021687)
- Start multipath services before local-fs-pre.target. (bsc#1005410, bsc#1006118, bsc#1007925)
- Fix /sbin/installkernel to handle kernel packages built with 'make bin-rpmpkg'. (bsc#1008648)
Patchnames
SUSE-OpenStack-Cloud-Magnum-Orchestration-7-2017-547,SUSE-SLE-DESKTOP-12-SP2-2017-547,SUSE-SLE-RPI-12-SP2-2017-547,SUSE-SLE-SERVER-12-SP2-2017-547
Terms of use
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}
SUSE-SU-2017:0641-1
Vulnerability from csaf_suse - Published: 2017-03-09 09:31 - Updated: 2017-03-09 09:31Summary
Security update for dracut
Notes
Title of the patch
Security update for dracut
Description of the patch
This update for dracut fixes the following issues:
Security issues fixed:
- CVE-2016-8637: When the early microcode loading was enabled during initrd creation, the initrd
would be read-only available for all users, allowing local users to retrieve secrets stored in
the initial ramdisk. (bsc#1008340)
Non security issues fixed:
- Allow booting from degraded MD arrays with systemd. (bsc#1017695)
- Start multipath services before local-fs-pre.target. (bsc#1005410, bsc#1006118, bsc#1007925,
bsc#986734, bsc#986838)
Patchnames
SUSE-SLE-DESKTOP-12-SP1-2017-353,SUSE-SLE-SERVER-12-SP1-2017-353
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
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SUSE-SU-2017:2696-1
Vulnerability from csaf_suse - Published: 2017-10-10 13:55 - Updated: 2017-10-10 13:55Summary
Security update for dracut
Notes
Title of the patch
Security update for dracut
Description of the patch
This update for dracut fixes the following issues:
Security issues fixed:
- CVE-2016-8637: When the early microcode loading was enabled during initrd creation, the initrd
would be read-only available for all users, allowing local users to retrieve secrets stored in
the initial ramdisk. (bsc#1008340)
Non-security issues fixed:
- Skip iBFT discovery for qla4xxx flashnode session. (bsc#935320)
- Set MTU and LLADDR for DHCP if specified. (bsc#959803)
- Allow booting from degraded MD arrays with systemd. (bsc#1017695)
- Start multipath services before local-fs-pre.target. (bsc#1005410, bsc#1006118, bsc#1007925,
bsc#986734, bsc#986838)
- Fixed /sbin/installkernel to handle kernel packages built with 'make bin-rpmpkg'. (bsc#1008648)
- Fixed typo in installkernel script. (bsc#1032576)
- Fixed subnet calculation in mkinitrd. (bsc#1035743)
Patchnames
SUSE-SLE-SERVER-12-2017-1669
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
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OPENSUSE-SU-2024:10225-1
Vulnerability from csaf_opensuse - Published: 2024-06-15 00:00 - Updated: 2024-06-15 00:00Summary
dracut-044-17.1 on GA media
Notes
Title of the patch
dracut-044-17.1 on GA media
Description of the patch
These are all security issues fixed in the dracut-044-17.1 package on the GA media of openSUSE Tumbleweed.
Patchnames
openSUSE-Tumbleweed-2024-10225
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
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"openSUSE Tumbleweed:dracut-fips-044-17.1.ppc64le",
"openSUSE Tumbleweed:dracut-fips-044-17.1.s390x",
"openSUSE Tumbleweed:dracut-fips-044-17.1.x86_64",
"openSUSE Tumbleweed:dracut-tools-044-17.1.aarch64",
"openSUSE Tumbleweed:dracut-tools-044-17.1.ppc64le",
"openSUSE Tumbleweed:dracut-tools-044-17.1.s390x",
"openSUSE Tumbleweed:dracut-tools-044-17.1.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2024-06-15T00:00:00Z",
"details": "low"
}
],
"title": "CVE-2016-8637"
}
]
}
GSD-2016-8637
Vulnerability from gsd - Updated: 2023-12-13 01:21Details
A local information disclosure issue was found in dracut before 045 when generating initramfs images with world-readable permissions when 'early cpio' is used, such as when including microcode updates. Local attacker can use this to obtain sensitive information from these files, such as encryption keys or credentials.
Aliases
Aliases
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"id": "GSD-2016-8637",
"references": [
"https://www.suse.com/security/cve/CVE-2016-8637.html",
"https://advisories.mageia.org/CVE-2016-8637.html"
]
},
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"remediation": "unknown",
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"id": "GSD-2016-8637",
"modified": "2023-12-13T01:21:22.636680Z",
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"lastModifiedDate": "2023-02-12T23:26Z",
"publishedDate": "2018-08-01T13:29Z"
}
}
}
FKIE_CVE-2016-8637
Vulnerability from fkie_nvd - Published: 2018-08-01 13:29 - Updated: 2024-11-21 02:59
Severity ?
5.0 (Medium) - CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
7.8 (High) - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
A local information disclosure issue was found in dracut before 045 when generating initramfs images with world-readable permissions when 'early cpio' is used, such as when including microcode updates. Local attacker can use this to obtain sensitive information from these files, such as encryption keys or credentials.
References
| URL | Tags | ||
|---|---|---|---|
| secalert@redhat.com | http://seclists.org/oss-sec/2016/q4/352 | Exploit, Mailing List, Third Party Advisory | |
| secalert@redhat.com | http://www.securityfocus.com/bid/94128 | Third Party Advisory, VDB Entry | |
| secalert@redhat.com | https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8637 | Exploit, Issue Tracking, Third Party Advisory | |
| secalert@redhat.com | https://github.com/dracutdevs/dracut/commit/0db98910a11c12a454eac4c8e86dc7a7bbc764a4 | Patch, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://seclists.org/oss-sec/2016/q4/352 | Exploit, Mailing List, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.securityfocus.com/bid/94128 | Third Party Advisory, VDB Entry | |
| af854a3a-2127-422b-91ae-364da2661108 | https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8637 | Exploit, Issue Tracking, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/dracutdevs/dracut/commit/0db98910a11c12a454eac4c8e86dc7a7bbc764a4 | Patch, Third Party Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| dracut_project | dracut | * |
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}
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"lastModified": "2024-11-21T02:59:44.207",
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}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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