SB20240620107 - Ubuntu update for gdb

Description

This security bulletin contains information about 6 secuirty vulnerabilities.

1) NULL pointer dereference (CVE-ID: CVE-2020-16599)

The vulnerability allows a local attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in _bfd_elf_get_symbol_version_string. A local attacker can trick the victim into opening a specially crafted file and perform a denial of service (DoS) attack.

2) NULL pointer dereference (CVE-ID: CVE-2022-4285)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error when parsing an ELF file containing corrupt symbol version information. A remote attacker can pass a specially crafted file to the application and perform a denial of service (DoS) attack.

3) Heap-based buffer overflow (CVE-ID: CVE-2023-1972)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error within the _bfd_elf_slurp_version_tables() function in bfd/elf.c. A remote attacker can pass specially crafted file to the application, trigger a heap-based buffer overflow and perform a denial of service (DoS) attack.

4) Stack-based buffer overflow (CVE-ID: CVE-2023-39128)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error within the ada_decode() function in /gdb/ada-lang.c. A remote attacker can trick the victim to run the debugger on a specially crafted file, trigger a stack-based buffer overflow and perform a denial of service (DoS) attack.

5) Use-after-free (CVE-ID: CVE-2023-39129)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error within the add_pe_exported_sym() function in /gdb/coff-pe-read.c. A remote attacker can trick the victim to call the application on a psecially crafted file and perform a denial of service (DoS) attack.

6) Heap-based buffer overflow (CVE-ID: CVE-2023-39130)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error within the pe_as16() function in /gdb/coff-pe-read.c. A remote attacker can trick the victim to run the debugger on a specially crafted file, trigger a heap-based buffer overflow and perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

• https://ubuntu.com/security/notices/USN-6842-1