HOMEVULNERABILITIESCVE-2018-19931
HIGH

CVE-2018-19931

CWE-787Published: December 7, 2018· Updated: Jun 17, 2026

7.8
CVSS v3.1

Official Description

An issue was discovered in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils through 2.31. There is a heap-based buffer overflow in bfd_elf32_swap_phdr_in in elfcode.h because the number of program headers is not restricted.

NVD Source

Technical Analysis

CVE-2018-19931 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors & Products

Canonical1 product(s)
ubuntu linux
gnu1 product(s)
binutils
netapp1 product(s)
vasa provider
Source: NVD CPE · 3 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://security.netapp.com/advisory/ntap-20190221-0004/
PATCHhttps://sourceware.org/bugzilla/show_bug.cgi?id=23942
PATCHhttps://security.netapp.com/advisory/ntap-20190221-0004/
PATCHhttps://sourceware.org/bugzilla/show_bug.cgi?id=23942
ADVISORYhttp://www.securityfocus.com/bid/106144
ADVISORYhttps://security.gentoo.org/glsa/201908-01
ADVISORYhttps://usn.ubuntu.com/4336-1/
ADVISORYhttp://www.securityfocus.com/bid/106144
ADVISORYhttps://security.gentoo.org/glsa/201908-01
ADVISORYhttps://usn.ubuntu.com/4336-1/

All References (16)

→
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.htmlBroken Link
→
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.htmlBroken Link
→
http://www.securityfocus.com/bid/106144Broken Link · Third Party Advisory · VDB Entry
→
https://security.gentoo.org/glsa/201908-01Third Party Advisory
→
https://security.netapp.com/advisory/ntap-20190221-0004/Patch · Third Party Advisory
→
https://sourceware.org/bugzilla/show_bug.cgi?id=23942Issue Tracking · Patch · Third Party Advisory
→
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=5f60af5d24d181371d67534fa273dd221df20c07
→
https://usn.ubuntu.com/4336-1/Third Party Advisory
→
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.htmlBroken Link
→
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.htmlBroken Link
→
http://www.securityfocus.com/bid/106144Broken Link · Third Party Advisory · VDB Entry
→
https://security.gentoo.org/glsa/201908-01Third Party Advisory
→
https://security.netapp.com/advisory/ntap-20190221-0004/Patch · Third Party Advisory
→
https://sourceware.org/bugzilla/show_bug.cgi?id=23942Issue Tracking · Patch · Third Party Advisory
→
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=5f60af5d24d181371d67534fa273dd221df20c07

Quick Facts

CVE IDCVE-2018-19931
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-787
CISA KEVNo
Affected3 vendor(s)
PublishedDec 7, 2018

Related CVEs (CWE-787)

CVE-2011-1807
10.0
CVE-2016-9343
10.0
CVE-2009-2466
10.0
CVE-2004-0978
10.0
CVE-2014-1478
10.0
CVE-2018-6692
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2018-19931 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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