Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2021.0439
gdisk security update
9 February 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: gdisk
Publisher: Debian
Operating System: Debian GNU/Linux
Impact/Access: Increased Privileges -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-0308 CVE-2020-0256
Reference: ASB-2021.0001
ESB-2020.2661
Original Bulletin:
https://lists.debian.org/debian-lts-announce/2021/02/msg00010.html
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Debian LTS Advisory DLA-2549-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Utkarsh Gupta
February 08, 2021 https://wiki.debian.org/LTS
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Package : gdisk
Version : 1.0.1-1+deb9u1
CVE ID : CVE-2020-0256 CVE-2021-0308
CVE-2020-0256
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/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
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