CVE-2017-7300
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.37%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 2.37% probability · 83th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- gnu/binutils
- Source
- cve@mitre.org
References
- http://www.securityfocus.com/bid/97219Third Party Advisory, VDB Entry
- https://sourceware.org/bugzilla/show_bug.cgi?id=20909Issue Tracking, Patch
- http://www.securityfocus.com/bid/97219Third Party Advisory, VDB Entry
- https://sourceware.org/bugzilla/show_bug.cgi?id=20909Issue Tracking, Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.