National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-17805 Detail

Current Description

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.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 7.8 HIGH
Vector:  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ecaaab5649781c5a0effdaf298a925063020500e Patch
http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00006.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00008.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00014.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00016.html Third Party Advisory
http://www.securityfocus.com/bid/102291 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:2948
https://access.redhat.com/errata/RHSA-2018:3083
https://access.redhat.com/errata/RHSA-2018:3096
https://access.redhat.com/errata/RHSA-2019:2473
https://github.com/torvalds/linux/commit/ecaaab5649781c5a0effdaf298a925063020500e Patch
https://lists.debian.org/debian-lts-announce/2018/01/msg00004.html
https://usn.ubuntu.com/3617-1/
https://usn.ubuntu.com/3617-2/
https://usn.ubuntu.com/3617-3/
https://usn.ubuntu.com/3619-1/
https://usn.ubuntu.com/3619-2/
https://usn.ubuntu.com/3620-1/
https://usn.ubuntu.com/3620-2/
https://usn.ubuntu.com/3632-1/
https://www.debian.org/security/2017/dsa-4073 Third Party Advisory
https://www.debian.org/security/2018/dsa-4082
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.8 Issue Tracking Release Notes

Weakness Enumeration

CWE-ID CWE Name Source
CWE-20 Improper Input Validation NIST  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
4.14.8

Configuration 2 ( hide )
 cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:opensuse_project:leap:42.3:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:suse:linux_enterprise_desktop:12:sp2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:suse:linux_enterprise_desktop:12:sp3:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:suse:linux_enterprise_server:11:extra:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:suse:linux_enterprise_server:11:sp4:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:suse:linux_enterprise_server:12:sp2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:suse:linux_enterprise_server:12:sp3:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:suse:linux_enterprise_server_for_raspberry_pi:12:sp2:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

13 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-17805
NVD Published Date:
12/20/2017
NVD Last Modified:
10/31/2018