Vulnerability 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 Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Libdwarf Project | Libdwarf | >= 1999-12-14, < 2016-11-24 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2016/11/19/6Mailing ListPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/11/23/3Mailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/94491Third Party AdvisoryVDB Entry
- https://blogs.gentoo.org/ago/2016/11/19/libdwarf-negation-overflow-in-dwarf_leb-ExploitPatchThird Party Advisory
- https://sourceforge.net/p/libdwarf/code/ci/4f19e1050cd8e9ddf2cb6caa061ff2fec4c9bThird Party Advisory
- https://www.prevanders.net/dwarfbug.htmlThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/11/19/6Mailing ListPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/11/23/3Mailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/94491Third Party AdvisoryVDB Entry
- https://blogs.gentoo.org/ago/2016/11/19/libdwarf-negation-overflow-in-dwarf_leb-ExploitPatchThird Party Advisory
- https://sourceforge.net/p/libdwarf/code/ci/4f19e1050cd8e9ddf2cb6caa061ff2fec4c9bThird Party Advisory
- https://www.prevanders.net/dwarfbug.htmlThird Party Advisory
FAQ
What is CVE-2016-9558?
CVE-2016-9558 is a vulnerability with a CVSS score of 9.8 (CRITICAL). (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 "negatio...
How severe is CVE-2016-9558?
CVE-2016-9558 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2016-9558?
Check the references section above for vendor advisories and patch information. Affected products include: Libdwarf Project Libdwarf.