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UbuntuUSN-4574-1

HistoryOct 07, 2020 - 12:00 a.m.

libseccomp-golang vulnerability

2020-10-0700:00:00

ubuntu.com

ubuntu 16.04 esm

golang-github-seccomp-libseccomp-golang

bpfs

restrictive seccomp filter

syscall arguments

bypass

intended restrictions

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

AI Score

7.6

Confidence

High

EPSS

0.003

Percentile

70.0%

JSON

Releases

Ubuntu 16.04 ESM

Packages

golang-github-seccomp-libseccomp-golang - a Go-based interface to the libseccomp library

Details

It was discovered that libseccomp-golang did not properly generate BPFs. If
a process were running under a restrictive seccomp filter that specified
multiple syscall arguments, the application could potentially bypass the
intended restrictions put in place by seccomp.

OSVersionArchitecturePackageVersionFilename
Ubuntu16.04noarchgolang-github-seccomp-libseccomp-golang-dev< 0.0~git20150813.0.1b506fc-2+deb9u1build0.16.04.1UNKNOWN