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nvd[email protected]NVD:CVE-2017-17806
HistoryDec 20, 2017 - 11:29 p.m.

CVE-2017-17806

2017-12-2023:29:00
CWE-787
[email protected]
web.nvd.nist.gov

7.2 High

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

7.4 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

10.1%

JSON

The HMAC implementation (crypto/hmac.c) in the Linux kernel before 4.14.8 does not validate that the underlying cryptographic hash algorithm is unkeyed, allowing a local attacker able to use the AF_ALG-based hash interface (CONFIG_CRYPTO_USER_API_HASH) and the SHA-3 hash algorithm (CONFIG_CRYPTO_SHA3) to cause a kernel stack buffer overflow by executing a crafted sequence of system calls that encounter a missing SHA-3 initialization.

Affected configurations

NVD
Node
linuxlinux_kernelRange<3.2.97
OR
linuxlinux_kernelRange3.3–3.16.52
OR
linuxlinux_kernelRange3.17–3.18.89
OR
linuxlinux_kernelRange3.19–4.1.49
OR
linuxlinux_kernelRange4.2–4.4.107
OR
linuxlinux_kernelRange4.5–4.9.71
OR
linuxlinux_kernelRange4.10–4.14.8
Node
debiandebian_linuxMatch8.0
OR
debiandebian_linuxMatch9.0
OR
opensuseleapMatch42.2
OR
opensuse_projectleapMatch42.3
OR
suselinux_enterprise_desktopMatch12sp2
OR
suselinux_enterprise_desktopMatch12sp3
OR
suselinux_enterprise_serverMatch11extra
OR
suselinux_enterprise_serverMatch11sp4
OR
suselinux_enterprise_serverMatch12sp2
OR
suselinux_enterprise_serverMatch12sp3
OR
suselinux_enterprise_server_for_raspberry_piMatch12sp2
Node
canonicalubuntu_linuxMatch12.04-
OR
canonicalubuntu_linuxMatch14.04esm
OR
canonicalubuntu_linuxMatch16.04esm
OR
canonicalubuntu_linuxMatch17.10

References

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7.2 High

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

7.4 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

10.1%

JSON
Related for NVD:CVE-2017-17806
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