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Debian Stretch DLA-2549-1 Critical: Gdisk Escalation of Privilege

debian lts
Calendar Grey February 8, 2021
Dist Debian Esm H88
The latest Debian LTS Advisory DLA-2550-2 highlights significant vulnerabilities affecting gdisk, providing essential guidance for updates.
CVE-2020-0256 In LoadPartitionTable of gpt.cc, there is a possible out of bounds write due to a missing bounds check
Topics%20covered

Topics Covered

security advisory debian critical update out of bounds escalation of privilege gdisk

Summary

In LoadPartitionTable of gpt.cc, there is a possible
out of bounds write due to a missing bounds check. This
could lead to local escalation of privilege with no
additional execution privileges needed.

CVE-2021-0308

In ReadLogicalParts of basicmbr.cc, there is a possible
out of bounds write due to a missing bounds check. This
could lead to local escalation of privilege with no
additional execution privileges needed.

For Debian 9 stretch, these problems have been fixed in version
1.0.1-1+deb9u1.

We recommend that you upgrade your gdisk packages.

For the detailed security status of gdisk please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/gdisk

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS


Severity
critical
Lowest
Low
Medium
High
Critical

Package: gdisk
Version: 1.0.1-1+deb9u1
CVE ID: CVE-2020-0256 CVE-2021-0308

Topics%20covered

Topics Covered

security advisory debian critical update out of bounds escalation of privilege gdisk

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