Ubuntu Update for apport USN-4171-3

Technical Details

Severity Level:

Medium Severity

CVSS Score:

5.0

CVSS Base Vector:
AV:N/AC:L/Au:N/C:P/I:N/A:N

Summary:
The remote host is missing an update for the 'apport' Linux Distribution Package(s) announced via the USN-4171-3 advisory.

Detection Method:
Checks if a vulnerable Linux Distribution Package version is present on the target host.

Technical Details:
USN-4171-1 fixed vulnerabilities in Apport. The update caused a regression in the Python Apport library. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Kevin Backhouse discovered Apport would read its user-controlled settings file as the root user. This could be used by a local attacker to possibly crash Apport or have other unspecified consequences. (CVE-2019-11481) Sander Bos discovered a race-condition in Apport during core dump creation. This could be used by a local attacker to generate a crash report for a privileged process that is readable by an unprivileged user. (CVE-2019-11482) Sander Bos discovered Apport mishandled crash dumps originating from containers. This could be used by a local attacker to generate a crash report for a privileged process that is readable by an unprivileged user. (CVE-2019-11483) Sander Bos discovered Apport mishandled lock-file creation. This could be used by a local attacker to cause a denial of service against Apport. (CVE-2019-11485) Kevin Backhouse discovered Apport read various process-specific files with elevated privileges during crash dump generation. This could could be used by a local attacker to generate a crash report for a privileged process that is readable by an unprivileged user. (CVE-2019-15790)

Affected Versions:
'apport' Linux Distribution Package(s) on Ubuntu 19.04, Ubuntu 18.04 LTS, Ubuntu 16.04 LTS.

Recommendations:
Please install the updated Linux Distribution Package(s).

Solution Type:
Vendor Patch

Detection Type:
Linux Distribution Package

Family:

Ubuntu Local Security Checks

Creation Time:

2019-11-06 03:01:19

Modification Time:

2019-11-06 11:51:43

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NVD CVE ID:
CVE-2019-11481
CVE-2019-11482
CVE-2019-11483
CVE-2019-11485
CVE-2019-15790

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