Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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 number, aka a "negation overflow."

Published

2017-02-28T18:59:00.313

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-190

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	libdwarf_project	libdwarf	< 2016-11-24	Yes

References

http://www.openwall.com/lists/oss-security/2016/11/19/6 Mailing List, Patch, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2016/11/23/3 Mailing List, Patch, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/94491 Third Party Advisory, VDB Entry ([email protected])
https://blogs.gentoo.org/ago/2016/11/19/libdwarf-negation-overflow-in-dwarf_leb-c/ Exploit, Patch, Third Party Advisory, VDB Entry ([email protected])
https://sourceforge.net/p/libdwarf/code/ci/4f19e1050cd8e9ddf2cb6caa061ff2fec4c9b5f9/#diff-5 Third Party Advisory ([email protected])
https://www.prevanders.net/dwarfbug.html Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2016/11/19/6 Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2016/11/23/3 Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/94491 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://blogs.gentoo.org/ago/2016/11/19/libdwarf-negation-overflow-in-dwarf_leb-c/ Exploit, Patch, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://sourceforge.net/p/libdwarf/code/ci/4f19e1050cd8e9ddf2cb6caa061ff2fec4c9b5f9/#diff-5 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.prevanders.net/dwarfbug.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)