CVE-2017-7300 — HIGH (7.5) — White Hats Nepal

Vulnerability Description

The Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.28, has an aout_link_add_symbols function in bfd/aoutx.h that is vulnerable to a heap-based buffer over-read (off-by-one) because of an incomplete check for invalid string offsets while loading symbols, leading to a GNU linker (ld) program crash.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Gnu	Binutils	2.28

Related Weaknesses (CWE)

CWE-125

References

http://www.securityfocus.com/bid/97219Third Party AdvisoryVDB Entry
https://sourceware.org/bugzilla/show_bug.cgi?id=20909Issue TrackingPatch
http://www.securityfocus.com/bid/97219Third Party AdvisoryVDB Entry
https://sourceware.org/bugzilla/show_bug.cgi?id=20909Issue TrackingPatch

FAQ

What is CVE-2017-7300?

CVE-2017-7300 is a vulnerability with a CVSS score of 7.5 (HIGH). The Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.28, has an aout_link_add_symbols function in bfd/aoutx.h that is vulnerable to a heap-based buffer over-read (of...

How severe is CVE-2017-7300?

CVE-2017-7300 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-7300?

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