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Debian LTS Advisory DLA-2802-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/                          Adrian Bunk
October 30, 2021                              https://wiki.debian.org/LTS
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Package        : elfutils
Version        : 0.168-1+deb9u1
CVE ID         : CVE-2018-16062 CVE-2018-16402 CVE-2018-18310 CVE-2018-18520 
                 CVE-2018-18521 CVE-2019-7150 CVE-2019-7665
Debian Bug     : 907562 911083 911413 911414 920909 921880

Several vulnerabilities were fixed in elfutils, a collection of 
utilities and libraries to handle ELF objects.

CVE-2018-16062

    dwarf_getaranges in dwarf_getaranges.c in libdw allowed a denial of 
    service (heap-based buffer over-read) via a crafted file.

CVE-2018-16402

    libelf/elf_end.c in allowed to cause a denial of service (double 
    free and application crash) because it tried to decompress twice.

CVE-2018-18310

    An invalid memory address dereference libdwfl allowed a denial of 
    service (application crash) via a crafted file.

CVE-2018-18520

    A use-after-free in recursive ELF ar files allowed a denial of 
    service (application crash) via a crafted file.

CVE-2018-18521

    A divide-by-zero in arlib_add_symbols() allowed a denial of service 
    (application crash) via a crafted file.

CVE-2019-7150

    A segmentation fault could occur due to dwfl_segment_report_module() 
    not checking whether the dyn data read from a core file is truncated.

CVE-2019-7665

    NT_PLATFORM core notes contain a zero terminated string allowed a 
    denial of service (application crash) via a crafted file.

For Debian 9 stretch, these problems have been fixed in version
0.168-1+deb9u1.

We recommend that you upgrade your elfutils packages.

For the detailed security status of elfutils please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/elfutils

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS