Vulnerability Description
dwarf2.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, mishandles NULL files in a .debug_line file table, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted ELF file, related to concat_filename. NOTE: this issue is caused by an incomplete fix for CVE-2017-15023.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Binutils | 2.29 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/101613
- https://blogs.gentoo.org/ago/2017/10/24/binutils-null-pointer-dereference-in-conIssue TrackingPatchThird Party Advisory
- https://security.gentoo.org/glsa/201801-01
- https://sourceware.org/bugzilla/show_bug.cgi?id=22205Issue TrackingPatchThird Party Advisory
- https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=a54018b72d75abf2e74
- http://www.securityfocus.com/bid/101613
- https://blogs.gentoo.org/ago/2017/10/24/binutils-null-pointer-dereference-in-conIssue TrackingPatchThird Party Advisory
- https://security.gentoo.org/glsa/201801-01
- https://sourceware.org/bugzilla/show_bug.cgi?id=22205Issue TrackingPatchThird Party Advisory
- https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=a54018b72d75abf2e74
FAQ
What is CVE-2017-15939?
CVE-2017-15939 is a vulnerability with a CVSS score of 5.5 (MEDIUM). dwarf2.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, mishandles NULL files in a .debug_line file table, which allows remote attackers to cause a deni...
How severe is CVE-2017-15939?
CVE-2017-15939 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-15939?
Check the references section above for vendor advisories and patch information. Affected products include: Gnu Binutils.