Heap/stack buffer overflow in the dlang_lname function in d-demangle.c in libiberty allows attackers to potentially cause a denial of service (segmentation fault and crash) via a crafted mangled symbol.

Heap/stack buffer overflow in the dlang_lname function in d-demangle.c in libiberty allows attackers to potentially cause a denial of service (segmentation fault and crash) via a crafted mangled symbol.

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The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Heap/stack buffer overflow in the dlang_lname function in d-demangle.c in libiberty allows attackers to     potentially cause a denial of service (segmentation fault and crash) via a crafted mangled symbol.
    (CVE-2021-3826)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote Fedora 37 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2022-667ee398b1 advisory.

    Backport fixes for CVE-2021-3826 and CVE-2022-38533.

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2023-6372 advisory.

    [10.2.11.0.1]
    - Merge Oracle patches for ol9       Reviewed-by: Jose E. Marchesi <jose.marchesi@oracle.com>

    [10.2-11.el9]
    - Backport 'libiberty: prevent buffer overflow when decoding user input'       (Luis Ferreira, RHBZ2132600)

    * Mon Mar 27 2023 Bruno Larsen <blarsen@redhat.com>
    - Backport '[gdb/breakpoint] Fix assert in jit_event_handler'       (Tom de Vries, RHBZ 2130624)

    * Thu Mar 23 2023 Bruno Larsen <blarsen@redhat.com>
    - Bakport 'Fix assertion failure in copy_type'       (Tom Tromey, RHBZ 2155439)
    - Bakport '[gdb/testsuite] Fix PR20630 regression test in gdb.base/printcmds.exp'       (Tom de Vries)

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2023:6372 advisory.

    The GNU Debugger (GDB) allows users to debug programs written in various programming languages including     C, C++, and Fortran.

    Security Fix(es):

    * libiberty: Heap/stack buffer overflow in the dlang_lname function in d-demangle.c (CVE-2021-3826)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    Additional Changes:

    For detailed information on changes in this release, see the Red Hat Enterprise Linux 9.3 Release Notes     linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:3269 advisory.

    The binutils packages provide a collection of binary utilities for the manipulation of object code in     various object file formats. It includes the ar, as, gprof, ld, nm, objcopy, objdump, ranlib, readelf,     size, strings, strip, and addr2line utilities.

    Security Fix(es):

    * binutils: NULL pointer dereference in _bfd_elf_get_symbol_version_string leads to segfault     (CVE-2022-4285)

    * libiberty: Heap/stack buffer overflow in the dlang_lname function in d-demangle.c (CVE-2021-3826)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Fedora 36 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2022-affcf9eea6 advisory.

    Update to 12.1, fixes CVE-2021-3826.

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Fedora 36 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2022-19538a3732 advisory.

    Backport fixes for CVE-2021-3826 and CVE-2022-38533.

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Fedora 36 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2022-c9a1fd5370 advisory.

    Backport fixes for CVE-2021-3826 and CVE-2022-27943.

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLES12 / SLES_SAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:4277-1 advisory.

    The following security bugs were fixed:

    - CVE-2019-1010204: Fixed out-of-bounds read in elfcpp/elfcpp_file.h (bsc#1142579).
    - CVE-2021-3530: Fixed stack-based buffer overflow in demangle_path() in rust-demangle.c (bsc#1185597).
    - CVE-2021-3648: Fixed infinite loop while demangling rust symbols (bsc#1188374).
    - CVE-2021-3826: Fixed heap/stack buffer overflow in the dlang_lname function in d-demangle.c     (bsc#1202969).
    - CVE-2021-45078: Fixed out-of-bounds write in stab_xcoff_builtin_type() in stabs.c (bsc#1193929).
    - CVE-2021-46195: Fixed uncontrolled recursion in libiberty/rust-demangle.c (bsc#1194783).
    - CVE-2022-27943: Fixed stack exhaustion in demangle_const in (bsc#1197592).
    - CVE-2022-38126: Fixed assertion fail in the display_debug_names() function in binutils/dwarf.c     (bsc#1202966).
    - CVE-2022-38127: Fixed NULL pointer dereference in the read_and_display_attr_value() function in     binutils/dwarf.c (bsc#1202967).
    - CVE-2022-38533: Fixed heap out-of-bounds read in bfd_getl32 (bsc#1202816).



Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:4146-1 advisory.

    The following security bugs were fixed:

    - CVE-2019-1010204: Fixed out-of-bounds read in elfcpp/elfcpp_file.h (bsc#1142579).
    - CVE-2021-3530: Fixed stack-based buffer overflow in demangle_path() in rust-demangle.c (bsc#1185597).
    - CVE-2021-3648: Fixed infinite loop while demangling rust symbols (bsc#1188374).
    - CVE-2021-3826: Fixed heap/stack buffer overflow in the dlang_lname function in d-demangle.c     (bsc#1202969).
    - CVE-2021-45078: Fixed out-of-bounds write in stab_xcoff_builtin_type() in stabs.c (bsc#1193929).
    - CVE-2021-46195: Fixed uncontrolled recursion in libiberty/rust-demangle.c (bsc#1194783).
    - CVE-2022-27943: Fixed stack exhaustion in demangle_const in (bsc#1197592).
    - CVE-2022-38126: Fixed assertion fail in the display_debug_names() function in binutils/dwarf.c     (bsc#1202966).
    - CVE-2022-38127: Fixed NULL pointer dereference in the read_and_display_attr_value() function in     binutils/dwarf.c (bsc#1202967).
    - CVE-2022-38533: Fixed heap out-of-bounds read in bfd_getl32 (bsc#1202816).



Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
504232	Siemens SIMATIC S7-1500 Improper Restriction of Operations within the Bounds of a Memory Buffer (CVE-2021-3826)	Tenable OT Security	Tenable.ot	high
223971	Linux Distros Unpatched Vulnerability : CVE-2021-3826	Nessus	Misc.	medium
211325	Fedora 37 : mingw-binutils (2022-667ee398b1)	Nessus	Fedora Local Security Checks	medium
185868	Oracle Linux 9 : gdb (ELSA-2023-6372)	Nessus	Oracle Linux Local Security Checks	medium
185096	RHEL 9 : gdb (RHSA-2023:6372)	Nessus	Red Hat Local Security Checks	medium
176321	RHEL 7 : devtoolset-12-binutils (RHSA-2023:3269)	Nessus	Red Hat Local Security Checks	medium
169210	Fedora 36 : mingw-gdb (2022-affcf9eea6)	Nessus	Fedora Local Security Checks	medium
169198	Fedora 36 : mingw-binutils (2022-19538a3732)	Nessus	Fedora Local Security Checks	medium
169090	Fedora 36 : mingw-gcc (2022-c9a1fd5370)	Nessus	Fedora Local Security Checks	medium
168296	SUSE SLES12 Security Update : binutils (SUSE-SU-2022:4277-1)	Nessus	SuSE Local Security Checks	high
168123	SUSE SLED15 / SLES15 Security Update : binutils (SUSE-SU-2022:4146-1)	Nessus	SuSE Local Security Checks	high

Detections

Analytics

CVE-2021-3826

medium

Tenable Plugins

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medium

medium

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medium

medium

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medium

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high