Vulnerability Description
The swap_std_reloc_in function in aoutx.h in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.30, allows remote attackers to cause a denial of service (aout_32_swap_std_reloc_out NULL pointer dereference and application crash) via a crafted ELF file, as demonstrated by objcopy.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Binutils | 2.30 |
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Workstation | 7.0 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html
- https://access.redhat.com/errata/RHBA-2019:0327Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3032Third Party Advisory
- https://security.gentoo.org/glsa/201811-17Third Party Advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=22887Issue TrackingThird Party Advisory
- https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=116acb2c268c89c8918
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html
- https://access.redhat.com/errata/RHBA-2019:0327Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3032Third Party Advisory
- https://security.gentoo.org/glsa/201811-17Third Party Advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=22887Issue TrackingThird Party Advisory
- https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=116acb2c268c89c8918
FAQ
What is CVE-2018-7642?
CVE-2018-7642 is a vulnerability with a CVSS score of 5.5 (MEDIUM). The swap_std_reloc_in function in aoutx.h in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.30, allows remote attackers to cause a denial of service (aout_32_s...
How severe is CVE-2018-7642?
CVE-2018-7642 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-2018-7642?
Check the references section above for vendor advisories and patch information. Affected products include: Gnu Binutils, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Workstation.