CVE-2023-1972

A potential heap based buffer overflow was found in _bfd_elf_slurp_version_tables() in bfd/elf.c. This may lead to loss of availability.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
binutils	24.04 LTS noble	Fixed 2.40-2ubuntu6
	23.10 mantic	Fixed 2.40-2ubuntu6
	23.04 lunar	Fixed 2.40-2ubuntu4.1
	22.10 kinetic	Fixed 2.39-3ubuntu1.2
	22.04 LTS jammy	Fixed 2.38-4ubuntu2.2
	20.04 LTS focal	Not affected
	18.04 LTS bionic	Not affected
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not affected
gdb	24.04 LTS noble	Not affected
	23.10 mantic	Not affected
	23.04 lunar	Ignored
	22.10 kinetic	Ignored
	22.04 LTS jammy	Fixed 12.1-0ubuntu1~22.04.2
	20.04 LTS focal	Fixed 9.2-0ubuntu1~20.04.2
	18.04 LTS bionic	Fixed 8.1.1-0ubuntu1+esm1 Ubuntu Pro
	16.04 LTS xenial	Fixed 7.11.1-0ubuntu1~16.5+esm1 Ubuntu Pro
	14.04 LTS trusty	Ignored

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Notes

seth-arnold

binutils isn't safe for untrusted inputs.

mdeslaur

buffer over-read, likely just a crash when parsing a corrupted file, setting priority to low

Patch details

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

Package	Patch details
binutils	Upstream: https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=c22d38baefc5a7a1e1f5cdc9dbb556b1f0ec5c57

Severity score breakdown

Parameter	Value
Base score	6.5 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-6101-1
GNU binutils vulnerabilities
24 May 2023

Cvss 3 Severity Score