CVE-2018-7570 — The assign_file_positions_for_non_load_sections function in elf
The assign_file_positions_for_non_load_sections function in elf.c 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 (NULL pointer dereference and application crash) via an ELF file w
Published
2018-02-28T21:00:00.000Z
Last modified
2024-08-05T06:31:04.453Z
01What is this vulnerability?
The assign_file_positions_for_non_load_sections function in elf.c 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 (NULL pointer dereference and application crash) via an ELF file with a RELRO segment that lacks a matching LOAD segment, as demonstrated by objcopy.
02Affected products
| Vendor | Product | Versions |
|---|
| n | a / n/a | n/a |
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2018-02-28T21:00:00.000Z
- Last modified: 2024-08-05T06:31:04.453Z
09References
- security.gentoo.org — https://security.gentoo.org/glsa/201811-17
- sourceware.org — https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=01f7e10cf2dcf403462…
- sourceware.org — https://sourceware.org/bugzilla/show_bug.cgi?id=22881
- lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html
- lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html
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