National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2019-7307 Detail

Current Description

Apport before versions 2.14.1-0ubuntu3.29+esm1, 2.20.1-0ubuntu2.19, 2.20.9-0ubuntu7.7, 2.20.10-0ubuntu27.1, 2.20.11-0ubuntu5 contained a TOCTTOU vulnerability when reading the users ~/.apport-ignore.xml file, which allows a local attacker to replace this file with a symlink to any other file on the system and so cause Apport to include the contents of this other file in the resulting crash report. The crash report could then be read by that user either by causing it to be uploaded and reported to Launchpad, or by leveraging some other vulnerability to read the resulting crash report, and so allow the user to read arbitrary files on the system.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 7.0 HIGH
Vector:  CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Nist CVSS score does not match with CNA score
CNA:  Canonical Ltd.
Base Score: 6.5 MEDIUM
Vector:  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://bugs.launchpad.net/ubuntu/%2Bsource/apport/%2Bbug/1830858 Exploit Issue Tracking Vendor Advisory
https://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-7307.html Vendor Advisory

Weakness Enumeration

CWE-ID CWE Name Source
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') NIST  
CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition Canonical Ltd.  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:apport_project:apport:2.14.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
Running on/with
 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
     Show Matching CPE(s)

Configuration 2 ( hide )
 cpe:2.3:a:apport_project:apport:2.20.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
Running on/with
 cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)

Configuration 3 ( hide )
 cpe:2.3:a:apport_project:apport:2.20.9:*:*:*:*:*:*:*
     Show Matching CPE(s)
Running on/with
 cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)

Configuration 4 ( hide )
 cpe:2.3:a:apport_project:apport:2.20.10:*:*:*:*:*:*:*
     Show Matching CPE(s)
Running on/with
 cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 5 ( hide )
 cpe:2.3:a:apport_project:apport:2.20.10:*:*:*:*:*:*:*
     Show Matching CPE(s)
Running on/with
 cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-7307
NVD Published Date:
08/29/2019
NVD Last Modified:
10/09/2019