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ubuntucveUbuntu.comUB:CVE-2017-17805
HistoryDec 20, 2017 - 12:00 a.m.

CVE-2017-17805

2017-12-2000:00:00
ubuntu.com
ubuntu.com
24

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

7.2 High

CVSS2

Access Vector

LOCAL

Access 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

0.0004 Low

EPSS

Percentile

9.4%

JSON

The Salsa20 encryption algorithm in the Linux kernel before 4.14.8 does not
correctly handle zero-length inputs, allowing a local attacker able to use
the AF_ALG-based skcipher interface (CONFIG_CRYPTO_USER_API_SKCIPHER) to
cause a denial of service (uninitialized-memory free and kernel crash) or
have unspecified other impact by executing a crafted sequence of system
calls that use the blkcipher_walk API. Both the generic implementation
(crypto/salsa20_generic.c) and x86 implementation
(arch/x86/crypto/salsa20_glue.c) of Salsa20 were vulnerable.

OSVersionArchitecturePackageVersionFilename
ubuntu17.10noarchlinux< 4.13.0-38.43UNKNOWN
ubuntu14.04noarchlinux< 3.13.0-144.193UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-119.143UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1016.16UNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1054.63UNKNOWN
ubuntu16.04noarchlinux-azure< 4.13.0-1014.17UNKNOWN
ubuntu16.04noarchlinux-gcp< 4.13.0-1012.16UNKNOWN
ubuntu16.04noarchlinux-hwe< 4.13.0-38.43~16.04.1UNKNOWN
ubuntu18.04noarchlinux-hwe-edge< 4.18.0-8.9~18.04.1UNKNOWN
ubuntu16.04noarchlinux-hwe-edge< 4.13.0-38.43~16.04.1UNKNOWN
Rows per page:
1-10 of 171

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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

7.2 High

CVSS2

Access Vector

LOCAL

Access 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

0.0004 Low

EPSS

Percentile

9.4%

JSON
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