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    CVE-2018-18607

    An issue was discovered in elf_link_input_bfd in elflink.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.31. There is a NULL pointer dereference in elf_link_input_bfd when used for finding STT_TLS symbols without any TLS section. A specially crafted ELF allows remote attackers to cause a denial of service, as demonstrated by ld.

    Published:Oct 21, 2018
    Last Modified:Nov 21, 2024
    EPS:Oct 23, 2018
    EPSS Score:0.00704
    CVSS Score:5.5

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Gnu
    Product
    Binutils
    Vendor
    Netapp
    Product
    Data Ontap

    Exploits

    https://sourceware.org/bugzilla/show_bug.cgi?id=23805https://sourceware.org/bugzilla/show_bug.cgi?id=23805

    Common Weakness Enumeration

    CWE-476 NULL Pointer Dereference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html
    http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html
    http://www.securityfocus.com/bid/105754
    https://security.netapp.com/advisory/ntap-20190307-0003/
    https://sourceware.org/bugzilla/show_bug.cgi?id=23805
    https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=102def4da826b3d9e169741421e5e67e8731909a
    https://usn.ubuntu.com/4336-1/
    http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html
    http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html
    http://www.securityfocus.com/bid/105754
    https://security.netapp.com/advisory/ntap-20190307-0003/
    https://sourceware.org/bugzilla/show_bug.cgi?id=23805
    https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=102def4da826b3d9e169741421e5e67e8731909a
    https://usn.ubuntu.com/4336-1/

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High