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CVE-2015-4082

Published: 18 August 2017

attic before 0.15 does not confirm unencrypted backups with the user, which allows remote attackers with read and write privileges for the encrypted repository to obtain potentially sensitive information by changing the manifest type byte of the repository to "unencrypted / without key file".

From the Ubuntu Security Team

It was discovered that Attic could be manipulated into running in unencrypted mode without warning the user. An attacker could use this vulnerability to access sensitive information.

Priority

High

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
attic
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

precise Does not exist

trusty
Released (0.10-1.1ubuntu0.1+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream
Released (0.15)
utopic Ignored
(end of life)
vivid Ignored
(end of life)
wily Ignored
(end of life)
xenial Not vulnerable
(0.16-2)
yakkety Does not exist

zesty Does not exist

Patches:
upstream: https://github.com/jborg/attic/commit/78f9ad1faba7193ca7f0acccbc13b1ff6ebf9072

Severity score breakdown

Parameter Value
Base score 6.5
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact None
Vector CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N