binutils: Null Pointer Dereference in scan_unit_for_symbols could result in DoS
Published Dec 9, 2020
5.5
MEDIUMCVSS 3.1
EPSS 1.20%
Description
A Null Pointer Dereference vulnerability exists in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.35, in scan_unit_for_symbols, as demonstrated in addr2line, that can cause a denial of service via a crafted file.
Affected products
No data.
Configuration 2
- n/a
- n/a
- n/a
No data.
Red Hat Enterprise Linux 5
binutils
Out of support scope
Red Hat Enterprise Linux 5
binutils220
Out of support scope
Red Hat Enterprise Linux 6
binutils
Out of support scope
Red Hat Enterprise Linux 7
binutils
Out of support scope
Red Hat Enterprise Linux 8
binutils
Not affected
Red Hat Enterprise Linux 8
gcc-toolset-10-binutils
Not affected
Red Hat Enterprise Linux 8
gcc-toolset-9-binutils
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | binutils | Out of support scope | n/a |
| Red Hat Enterprise Linux 5 | binutils220 | Out of support scope | n/a |
| Red Hat Enterprise Linux 6 | binutils | Out of support scope | n/a |
| Red Hat Enterprise Linux 7 | binutils | Out of support scope | n/a |
| Red Hat Enterprise Linux 8 | binutils | Not affected | n/a |
| Red Hat Enterprise Linux 8 | gcc-toolset-10-binutils | Not affected | n/a |
| Red Hat Enterprise Linux 8 | gcc-toolset-9-binutils | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
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.
References (9)
- https://access.redhat.com/security/cve/CVE-2020-16593 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1906772 Issue Tracking
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-8554 Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2020-16593
- https://security.netapp.com/advisory/ntap-20210122-0003/ x_refsource_CONFIRMThird Party Advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=25827 x_refsource_MISCExploitIssue TrackingThird Party Advisory
- https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=aec72fda3b320c36eb99fc1c4cf95b10fc026729 x_refsource_MISC
- https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=aec72fda3b320c36eb99fc1c4cf95b10fc026729
- https://www.cve.org/CVERecord?id=CVE-2020-16593
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2020-16593 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1906772 | Issue Tracking | |
| https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-8554 | Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2020-16593 | ||
| https://security.netapp.com/advisory/ntap-20210122-0003/ | x_refsource_CONFIRMThird Party Advisory | |
| https://sourceware.org/bugzilla/show_bug.cgi?id=25827 | x_refsource_MISCExploitIssue TrackingThird Party Advisory | |
| https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=aec72fda3b320c36eb99fc1c4cf95b10fc026729 | x_refsource_MISC | |
| https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=aec72fda3b320c36eb99fc1c4cf95b10fc026729 | ||
| https://www.cve.org/CVERecord?id=CVE-2020-16593 |
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