CVE-2018-10689

Publication date 3 May 2018

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

5.5 · Medium

Score breakdown

blktrace (aka Block IO Tracing) 1.2.0, as used with the Linux kernel and Android, has a buffer overflow in the dev_map_read function in btt/devmap.c because the device and devno arrays are too small, as demonstrated by an invalid free when using the btt program with a crafted file.

From the Ubuntu Security Team

It was discovered a buffer overflow in the blktrace utility. An attacker could use this vulnerability to cause a DoS or possibly execute arbitrary code.

Status

Package Ubuntu Release Status
blktrace 18.10 cosmic
Not affected
18.04 LTS bionic
Fixed 1.1.0-2+deb9u1build0.18.04.1
17.10 artful Ignored end of life
16.04 LTS xenial
Fixed 1.1.0-2+deb9u1build0.16.04.1
14.04 LTS trusty
Fixed 1.0.5-1+deb8u1build0.14.04.1

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
blktrace

Severity score breakdown

Parameter Value
Base score 5.5 · Medium
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H