USN-6842-1: gdb vulnerabilities | Ubuntu security notices

Packages

gdb - GNU Debugger

Details

It was discovered that gdb incorrectly handled certain memory operations
when parsing an ELF file. An attacker could possibly use this issue
to cause a denial of service. This issue is the result of an
incomplete fix for CVE-2020-16599. This issue only affected
Ubuntu 22.04 LTS. (CVE-2022-4285)

It was discovered that gdb incorrectly handled memory leading
to a heap based buffer overflow. An attacker could use this
issue to cause a denial of service, or possibly execute
arbitrary code. This issue only affected Ubuntu 22.04 LTS.
(CVE-2023-1972)

It was discovered that gdb incorrectly handled memory leading
to a stack overflow. An attacker could possibly use this issue
to cause a denial of service. This issue only affected
Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS.
(

It was discovered that gdb incorrectly handled certain memory operations
when parsing an ELF file. An attacker could possibly use this issue
to cause a denial of service. This issue is the result of an
incomplete fix for CVE-2020-16599. This issue only affected
Ubuntu 22.04 LTS. (CVE-2022-4285)

It was discovered that gdb incorrectly handled memory leading
to a heap based buffer overflow. An attacker could use this
issue to cause a denial of service, or possibly execute
arbitrary code. This issue only affected Ubuntu 22.04 LTS.
(CVE-2023-1972)

It was discovered that gdb incorrectly handled memory leading
to a stack overflow. An attacker could possibly use this issue
to cause a denial of service. This issue only affected
Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS.
(CVE-2023-39128)

It was discovered that gdb had a use after free vulnerability
under certain circumstances. An attacker could use this to cause
a denial of service or possibly execute arbitrary code. This issue
only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS
and Ubuntu 22.04 LTS. (CVE-2023-39129)

It was discovered that gdb incorrectly handled memory leading to a
heap based buffer overflow. An attacker could use this issue to cause
a denial of service, or possibly execute arbitrary code. This issue
only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS.
(CVE-2023-39130)

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

Ubuntu Release	Package Version
22.04 jammy	gdb – 12.1-0ubuntu1~22.04.2
22.04 jammy	gdbserver – 12.1-0ubuntu1~22.04.2
20.04 focal	gdb – 9.2-0ubuntu1~20.04.2
20.04 focal	gdbserver – 9.2-0ubuntu1~20.04.2
18.04 bionic	gdb – 8.1.1-0ubuntu1+esm1
18.04 bionic	gdbserver – 8.1.1-0ubuntu1+esm1
16.04 xenial	gdb – 7.11.1-0ubuntu1~16.5+esm1
16.04 xenial	gdbserver – 7.11.1-0ubuntu1~16.5+esm1

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