CVE-2017-15022 — MEDIUM (5.5)

Vulnerability Description

dwarf2.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, does not validate the DW_AT_name data type, which allows remote attackers to cause a denial of service (bfd_hash_hash NULL pointer dereference, or out-of-bounds access, and application crash) via a crafted ELF file, related to scan_unit_for_symbols and parse_comp_unit.

CVSS Score

5.5

MEDIUM

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Gnu	Binutils	2.29

Related Weaknesses (CWE)

CWE-476

References

https://blogs.gentoo.org/ago/2017/10/03/binutils-null-pointer-dereference-in-bfdPatchThird Party AdvisoryVDB Entry
https://sourceware.org/bugzilla/show_bug.cgi?id=22201Issue TrackingPatchThird Party Advisory
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=11855d8a1f11b102a70
https://blogs.gentoo.org/ago/2017/10/03/binutils-null-pointer-dereference-in-bfdPatchThird Party AdvisoryVDB Entry
https://sourceware.org/bugzilla/show_bug.cgi?id=22201Issue TrackingPatchThird Party Advisory
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=11855d8a1f11b102a70

FAQ

What is CVE-2017-15022?

CVE-2017-15022 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, does not validate the DW_AT_name data type, which allows remote attackers to cause a denial of s...

How severe is CVE-2017-15022?

CVE-2017-15022 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-2017-15022?

Check the references section above for vendor advisories and patch information. Affected products include: Gnu Binutils.