Description (CNA)
(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."
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| n/a / n/a | affected n/a |
CWE
No CWE identifiers supplied.
References
- https://www.prevanders.net/dwarfbug.html
- http://www.openwall.com/lists/oss-security/2016/11/19/6
- http://www.securityfocus.com/bid/94491
- https://blogs.gentoo.org/ago/2016/11/19/libdwarf-negation-overflow-in-dwarf_leb-c/
- http://www.openwall.com/lists/oss-security/2016/11/23/3
- https://sourceforge.net/p/libdwarf/code/ci/4f19e1050cd8e9ddf2cb6caa061ff2fec4c9b5f9/#diff-5
ADP enrichment
No English description supplied.
- https://www.prevanders.net/dwarfbug.html
- http://www.openwall.com/lists/oss-security/2016/11/19/6
- http://www.securityfocus.com/bid/94491
- https://blogs.gentoo.org/ago/2016/11/19/libdwarf-negation-overflow-in-dwarf_leb-c/
- http://www.openwall.com/lists/oss-security/2016/11/23/3
- https://sourceforge.net/p/libdwarf/code/ci/4f19e1050cd8e9ddf2cb6caa061ff2fec4c9b5f9/#diff-5