CVE-2017-7300

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.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.15%
Third-Party Advisory securityfocus.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/97219 third party advisory vdb entry
https://sourceware.org/bugzilla/show_bug.cgi?id=20909 patch issue tracking

Frequently Asked Questions

What is the severity of CVE-2017-7300?
CVE-2017-7300 has been scored as a high severity vulnerability.
How to fix CVE-2017-7300?
To fix CVE-2017-7300, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-7300 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-7300 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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