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CVE-2016-9949

Published: 14 December 2016

An issue was discovered in Apport before 2.20.4. In apport/ui.py, Apport reads the CrashDB field and it then evaluates the field as Python code if it begins with a "{". This allows remote attackers to execute arbitrary Python code.

From the Ubuntu Security Team

Donncha O Cearbhaill discovered that the crash file parser in Apport improperly treated the CrashDB field as python code. An attacker could use this to convince a user to open a maliciously crafted crash file and execute arbitrary code with the privileges of that user.

Notes

AuthorNote
sbeattie
precise not affected

Priority

Medium

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package Release Status
apport
Launchpad, Ubuntu, Debian
precise Not vulnerable

trusty
Released (2.14.1-0ubuntu3.23)
upstream Needs triage

xenial
Released (2.20.1-0ubuntu2.4)
yakkety
Released (2.20.3-0ubuntu8.2)
zesty Not vulnerable
(2.20.4-0ubuntu1)

Severity score breakdown

Parameter Value
Base score 7.8
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H