Critical severity · published Feb 28, 2017
CVE-2016-9558
(1) libdwarf/dwarf_leb.c and (2) dwarfdump/print_frames.c in libdwarf before 20161124 allow remote attackers to have unspecified impact via a crafted bit pattern in a signed leb…
9.8
CVSS
5%
EPSS
No
On KEV
Description
(1) libdwarf/dwarf_leb.c and (2) dwarfdump/print_frames.c in libdwarf before 20161124 allow remote attackers to have unspecified impact via a crafted bit pattern in a signed leb number, aka a "negation overflow."
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)5.0% · higher than 92% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Libdwarf · Libdwarf Project
1999-12-14 before 2016-11-24 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-9558
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-9558
Mailing List
http://www.openwall.com/lists/oss-security/2016/11/19/6
Mailing List
http://www.openwall.com/lists/oss-security/2016/11/23/3
Third Party Advisory
http://www.securityfocus.com/bid/94491
Exploit
https://blogs.gentoo.org/ago/2016/11/19/libdwarf-negation-overflow-in-dwarf_leb-c/
Third Party Advisory
https://sourceforge.net/p/libdwarf/code/ci/4f19e1050cd8e9ddf2cb6caa061ff2fec4c9b5f9/#diff-5
Third Party Advisory
https://www.prevanders.net/dwarfbug.html
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