Bug 1906762 (CVE-2020-16599)

Summary: CVE-2020-16599 binutils: Null Pointer Dereference in _bfd_elf_get_symbol_version_string could result in DoS
Product: [Other] Security Response Reporter: Michael Kaplan <mkaplan>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED WONTFIX QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: adscvr, ailan, aoliva, dvlasenk, elima, erik-fedora, fidencio, fweimer, jakub, klember, ktietz, law, manisandro, marcandre.lureau, mcermak, mnewsome, mpolacek, mprchlik, nickc, ohudlick, rjones, sipoyare, virt-maint
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Fixed In Version: binutils 2.35 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2020-12-23 00:27:40 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Bug Depends On: 1906763, 1906764    
Bug Blocks: 1906786    

Description Michael Kaplan 2020-12-11 11:43:38 UTC
A Null Pointer Dereference vulnerability exists in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.34, in _bfd_elf_get_symbol_version_string, as demonstrated in nm-new, that can cause a denial of service via a crafted file.

External References:


Comment 1 Michael Kaplan 2020-12-11 11:44:10 UTC
Created binutils tracking bugs for this issue:

Affects: fedora-32 [bug 1906763]

Created mingw-binutils tracking bugs for this issue:

Affects: fedora-all [bug 1906764]

Comment 6 Todd Cullum 2020-12-22 20:13:15 UTC

binutils as shipped in Red Hat Developer Toolsets 9 and 10, Red Hat Enterprise Linux 8 BaseOS and GCC Toolsets 9 and 10, are all not affected by this flaw as it was introduced in a newer version of binutils code than shipped for BaseOS and the 9 toolsets, and already patched in the versions shipped with 10 toolsets.

Comment 7 Product Security DevOps Team 2020-12-23 00:27:40 UTC
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):