In elfutils 0.175, there is a buffer over-read in the ebl_object_note function in eblobjnote.c in libebl. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted elf file, as demonstrated by eu-readelf.

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2019-3575 advisory.

  - In elfutils 0.175, a heap-based buffer over-read was discovered in the function elf32_xlatetom in     elf32_xlatetom.c in libelf. A crafted ELF input can cause a segmentation fault leading to denial of     service (program crash) because ebl_core_note does not reject malformed core file notes. (CVE-2019-7665)

  - A heap-based buffer over-read was discovered in the function read_srclines in dwarf_getsrclines.c in libdw     in elfutils 0.175. A crafted input can cause segmentation faults, leading to denial-of-service, as     demonstrated by eu-nm. (CVE-2019-7149)

  - An issue was discovered in elfutils 0.175. A segmentation fault can occur in the function elf64_xlatetom     in libelf/elf32_xlatetom.c, due to dwfl_segment_report_module not checking whether the dyn data read from     a core file is truncated. A crafted input can cause a program crash, leading to denial-of-service, as     demonstrated by eu-stack. (CVE-2019-7150)

  - In elfutils 0.175, a negative-sized memcpy is attempted in elf_cvt_note in libelf/note_xlate.h because of     an incorrect overflow check. Crafted elf input causes a segmentation fault, leading to denial of service     (program crash). (CVE-2019-7664)

  - In elfutils 0.175, there is a buffer over-read in the ebl_object_note function in eblobjnote.c in libebl.
    Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted elf file, as     demonstrated by eu-readelf. (CVE-2019-7146)

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-2022:2614-1 advisory.

  - The handle_gnu_hash function in readelf.c in elfutils 0.168 allows remote attackers to cause a denial of     service (heap-based buffer over-read and application crash) via a crafted ELF file. (CVE-2017-7607)

  - The ebl_object_note_type_name function in eblobjnotetypename.c in elfutils 0.168 allows remote attackers     to cause a denial of service (heap-based buffer over-read and application crash) via a crafted ELF file.
    (CVE-2017-7608)

  - elf_compress.c in elfutils 0.168 does not validate the zlib compression factor, which allows remote     attackers to cause a denial of service (memory consumption) via a crafted ELF file. (CVE-2017-7609)

  - The check_group function in elflint.c in elfutils 0.168 allows remote attackers to cause a denial of     service (heap-based buffer over-read and application crash) via a crafted ELF file. (CVE-2017-7610)

  - The check_symtab_shndx function in elflint.c in elfutils 0.168 allows remote attackers to cause a denial     of service (heap-based buffer over-read and application crash) via a crafted ELF file. (CVE-2017-7611)

  - The check_sysv_hash function in elflint.c in elfutils 0.168 allows remote attackers to cause a denial of     service (heap-based buffer over-read and application crash) via a crafted ELF file. (CVE-2017-7612)

  - elflint.c in elfutils 0.168 does not validate the number of sections and the number of segments, which     allows remote attackers to cause a denial of service (memory consumption) via a crafted ELF file.
    (CVE-2017-7613)

  - dwarf_getaranges in dwarf_getaranges.c in libdw in elfutils before 2018-08-18 allows remote attackers to     cause a denial of service (heap-based buffer over-read) via a crafted file. (CVE-2018-16062)

  - libelf/elf_end.c in elfutils 0.173 allows remote attackers to cause a denial of service (double free and     application crash) or possibly have unspecified other impact because it tries to decompress twice.
    (CVE-2018-16402)

  - libdw in elfutils 0.173 checks the end of the attributes list incorrectly in dwarf_getabbrev in     dwarf_getabbrev.c and dwarf_hasattr in dwarf_hasattr.c, leading to a heap-based buffer over-read and an     application crash. (CVE-2018-16403)

  - An invalid memory address dereference was discovered in dwfl_segment_report_module.c in libdwfl in     elfutils through v0.174. The vulnerability allows attackers to cause a denial of service (application     crash) with a crafted ELF file, as demonstrated by consider_notes. (CVE-2018-18310)

  - An Invalid Memory Address Dereference exists in the function elf_end in libelf in elfutils through v0.174.
    Although eu-size is intended to support ar files inside ar files, handle_ar in size.c closes the outer ar     file before handling all inner entries. The vulnerability allows attackers to cause a denial of service     (application crash) with a crafted ELF file. (CVE-2018-18520)

  - Divide-by-zero vulnerabilities in the function arlib_add_symbols() in arlib.c in elfutils 0.174 allow     remote attackers to cause a denial of service (application crash) with a crafted ELF file, as demonstrated     by eu-ranlib, because a zero sh_entsize is mishandled. (CVE-2018-18521)

  - In elfutils 0.175, there is a buffer over-read in the ebl_object_note function in eblobjnote.c in libebl.
    Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted elf file, as     demonstrated by eu-readelf. (CVE-2019-7146)

  - An attempted excessive memory allocation was discovered in the function read_long_names in elf_begin.c in     libelf in elfutils 0.174. Remote attackers could leverage this vulnerability to cause a denial-of-service     via crafted elf input, which leads to an out-of-memory exception. NOTE: The maintainers believe this is     not a real issue, but instead a warning caused by ASAN because the allocation is big. By setting     ASAN_OPTIONS=allocator_may_return_null=1 and running the reproducer, nothing happens. (CVE-2019-7148)

  - A heap-based buffer over-read was discovered in the function read_srclines in dwarf_getsrclines.c in libdw     in elfutils 0.175. A crafted input can cause segmentation faults, leading to denial-of-service, as     demonstrated by eu-nm. (CVE-2019-7149)

  - An issue was discovered in elfutils 0.175. A segmentation fault can occur in the function elf64_xlatetom     in libelf/elf32_xlatetom.c, due to dwfl_segment_report_module not checking whether the dyn data read from     a core file is truncated. A crafted input can cause a program crash, leading to denial-of-service, as     demonstrated by eu-stack. (CVE-2019-7150)

  - In elfutils 0.175, a negative-sized memcpy is attempted in elf_cvt_note in libelf/note_xlate.h because of     an incorrect overflow check. Crafted elf input causes a segmentation fault, leading to denial of service     (program crash). (CVE-2019-7664)

  - In elfutils 0.175, a heap-based buffer over-read was discovered in the function elf32_xlatetom in     elf32_xlatetom.c in libelf. A crafted ELF input can cause a segmentation fault leading to denial of     service (program crash) because ebl_core_note does not reject malformed core file notes. (CVE-2019-7665)

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

The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2019:3575 advisory.

  - elfutils: buffer over-read in the ebl_object_note function in eblobjnote.c in libebl (CVE-2019-7146)

  - elfutils: heap-based buffer over-read in read_srclines in dwarf_getsrclines.c in libdw (CVE-2019-7149)

  - elfutils: segmentation fault in elf64_xlatetom in libelf/elf32_xlatetom.c (CVE-2019-7150)

  - elfutils: out of bound write in elf_cvt_note in libelf/note_xlate.h (CVE-2019-7664)

  - elfutils: heap-based buffer over-read in function elf32_xlatetom in elf32_xlatetom.c (CVE-2019-7665)

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

The remote NewStart CGSL host, running version CORE 5.05 / MAIN 5.05, has elfutils packages installed that are affected by multiple vulnerabilities:

  - dwarf_getaranges in dwarf_getaranges.c in libdw in     elfutils before 2018-08-18 allows remote attackers to     cause a denial of service (heap-based buffer over-read)     via a crafted file. (CVE-2018-16062)

  - libelf/elf_end.c in elfutils 0.173 allows remote     attackers to cause a denial of service (double free and     application crash) or possibly have unspecified other     impact because it tries to decompress twice.
    (CVE-2018-16402)

  - libdw in elfutils 0.173 checks the end of the attributes     list incorrectly in dwarf_getabbrev in dwarf_getabbrev.c     and dwarf_hasattr in dwarf_hasattr.c, leading to a heap-     based buffer over-read and an application crash.
    (CVE-2018-16403)

  - A heap-based buffer over-read was discovered in the     function read_srclines in dwarf_getsrclines.c in libdw     in elfutils 0.175. A crafted input can cause     segmentation faults, leading to denial-of-service, as     demonstrated by eu-nm. (CVE-2019-7149)

  - An issue was discovered in elfutils 0.175. A     segmentation fault can occur in the function     elf64_xlatetom in libelf/elf32_xlatetom.c, due to     dwfl_segment_report_module not checking whether the dyn     data read from a core file is truncated. A crafted input     can cause a program crash, leading to denial-of-service,     as demonstrated by eu-stack. (CVE-2019-7150)

  - An Invalid Memory Address Dereference exists in the     function elf_end in libelf in elfutils through v0.174.
    Although eu-size is intended to support ar files inside     ar files, handle_ar in size.c closes the outer ar file     before handling all inner entries. The vulnerability     allows attackers to cause a denial of service     (application crash) with a crafted ELF file.
    (CVE-2018-18520)

  - Divide-by-zero vulnerabilities in the function     arlib_add_symbols() in arlib.c in elfutils 0.174 allow     remote attackers to cause a denial of service     (application crash) with a crafted ELF file, as     demonstrated by eu-ranlib, because a zero sh_entsize is     mishandled. (CVE-2018-18521)

  - An invalid memory address dereference was discovered in     dwfl_segment_report_module.c in libdwfl in elfutils     through v0.174. The vulnerability allows attackers to     cause a denial of service (application crash) with a     crafted ELF file, as demonstrated by consider_notes.
    (CVE-2018-18310)

  - In elfutils 0.175, a heap-based buffer over-read was     discovered in the function elf32_xlatetom in     elf32_xlatetom.c in libelf. A crafted ELF input can     cause a segmentation fault leading to denial of service     (program crash) because ebl_core_note does not reject     malformed core file notes. (CVE-2019-7665)

  - In elfutils 0.175, a negative-sized memcpy is attempted     in elf_cvt_note in libelf/note_xlate.h because of an     incorrect overflow check. Crafted elf input causes a     segmentation fault, leading to denial of service     (program crash). (CVE-2019-7664)

  - In elfutils 0.175, there is a buffer over-read in the     ebl_object_note function in eblobjnote.c in libebl.
    Remote attackers could leverage this vulnerability to     cause a denial-of-service via a crafted elf file, as     demonstrated by eu-readelf. (CVE-2019-7146)

  - **DISPUTED** An attempted excessive memory allocation     was discovered in the function read_long_names in     elf_begin.c in libelf in elfutils 0.174. Remote     attackers could leverage this vulnerability to cause a     denial-of-service via crafted elf input, which leads to     an out-of-memory exception. NOTE: The maintainers     believe this is not a real issue, but instead a warning     caused by ASAN because the allocation is big. By setting     ASAN_OPTIONS=allocator_may_return_null=1 and running the     reproducer, nothing happens. (CVE-2019-7148)

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

An update for elfutils is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link (s) in the References section.

The elfutils packages contain a number of utility programs and libraries related to the creation and maintenance of executable code.

The following packages have been upgraded to a later upstream version:
elfutils (0.176). (BZ#1683705)

Security Fix(es) :

* elfutils: buffer over-read in the ebl_object_note function in eblobjnote.c in libebl (CVE-2019-7146)

* elfutils: heap-based buffer over-read in read_srclines in dwarf_getsrclines.c in libdw (CVE-2019-7149)

* elfutils: segmentation fault in elf64_xlatetom in libelf/elf32_xlatetom.c (CVE-2019-7150)

* elfutils: out of bound write in elf_cvt_note in libelf/note_xlate.h (CVE-2019-7664)

* elfutils: heap-based buffer over-read in function elf32_xlatetom in elf32_xlatetom.c (CVE-2019-7665)

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 8.1 Release Notes linked from the References section.

The remote NewStart CGSL host, running version CORE 5.04 / MAIN 5.04, has elfutils packages installed that are affected by multiple vulnerabilities:

  - dwarf_getaranges in dwarf_getaranges.c in libdw in     elfutils before 2018-08-18 allows remote attackers to     cause a denial of service (heap-based buffer over-read)     via a crafted file. (CVE-2018-16062)

  - libelf/elf_end.c in elfutils 0.173 allows remote     attackers to cause a denial of service (double free and     application crash) or possibly have unspecified other     impact because it tries to decompress twice.
    (CVE-2018-16402)

  - libdw in elfutils 0.173 checks the end of the attributes     list incorrectly in dwarf_getabbrev in dwarf_getabbrev.c     and dwarf_hasattr in dwarf_hasattr.c, leading to a heap-     based buffer over-read and an application crash.
    (CVE-2018-16403)

  - A heap-based buffer over-read was discovered in the     function read_srclines in dwarf_getsrclines.c in libdw     in elfutils 0.175. A crafted input can cause     segmentation faults, leading to denial-of-service, as     demonstrated by eu-nm. (CVE-2019-7149)

  - An issue was discovered in elfutils 0.175. A     segmentation fault can occur in the function     elf64_xlatetom in libelf/elf32_xlatetom.c, due to     dwfl_segment_report_module not checking whether the dyn     data read from a core file is truncated. A crafted input     can cause a program crash, leading to denial-of-service,     as demonstrated by eu-stack. (CVE-2019-7150)

  - An Invalid Memory Address Dereference exists in the     function elf_end in libelf in elfutils through v0.174.
    Although eu-size is intended to support ar files inside     ar files, handle_ar in size.c closes the outer ar file     before handling all inner entries. The vulnerability     allows attackers to cause a denial of service     (application crash) with a crafted ELF file.
    (CVE-2018-18520)

  - Divide-by-zero vulnerabilities in the function     arlib_add_symbols() in arlib.c in elfutils 0.174 allow     remote attackers to cause a denial of service     (application crash) with a crafted ELF file, as     demonstrated by eu-ranlib, because a zero sh_entsize is     mishandled. (CVE-2018-18521)

  - An invalid memory address dereference was discovered in     dwfl_segment_report_module.c in libdwfl in elfutils     through v0.174. The vulnerability allows attackers to     cause a denial of service (application crash) with a     crafted ELF file, as demonstrated by consider_notes.
    (CVE-2018-18310)

  - In elfutils 0.175, a heap-based buffer over-read was     discovered in the function elf32_xlatetom in     elf32_xlatetom.c in libelf. A crafted ELF input can     cause a segmentation fault leading to denial of service     (program crash) because ebl_core_note does not reject     malformed core file notes. (CVE-2019-7665)

  - In elfutils 0.175, a negative-sized memcpy is attempted     in elf_cvt_note in libelf/note_xlate.h because of an     incorrect overflow check. Crafted elf input causes a     segmentation fault, leading to denial of service     (program crash). (CVE-2019-7664)

  - In elfutils 0.175, there is a buffer over-read in the     ebl_object_note function in eblobjnote.c in libebl.
    Remote attackers could leverage this vulnerability to     cause a denial-of-service via a crafted elf file, as     demonstrated by eu-readelf. (CVE-2019-7146)

  - **DISPUTED** An attempted excessive memory allocation     was discovered in the function read_long_names in     elf_begin.c in libelf in elfutils 0.174. Remote     attackers could leverage this vulnerability to cause a     denial-of-service via crafted elf input, which leads to     an out-of-memory exception. NOTE: The maintainers     believe this is not a real issue, but instead a warning     caused by ASAN because the allocation is big. By setting     ASAN_OPTIONS=allocator_may_return_null=1 and running the     reproducer, nothing happens. (CVE-2019-7148)

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

New upstream release 0.176. Fixes CVE-2019-7146, CVE-2019-7148, CVE-2019-7149, CVE-2019-7150, CVE-2019-7664 and CVE-2019-7665.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Severity
180659	Oracle Linux 8 : elfutils (ELSA-2019-3575)	Nessus	Oracle Linux Local Security Checks	medium
163686	SUSE SLED15 / SLES15 Security Update : dwarves and elfutils (SUSE-SU-2022:2614-1)	Nessus	SuSE Local Security Checks	critical
145645	CentOS 8 : elfutils (CESA-2019:3575)	Nessus	CentOS Local Security Checks	medium
132468	NewStart CGSL CORE 5.05 / MAIN 5.05 : elfutils Multiple Vulnerabilities (NS-SA-2019-0258)	Nessus	NewStart CGSL Local Security Checks	critical
130553	RHEL 8 : elfutils (RHSA-2019:3575)	Nessus	Red Hat Local Security Checks	medium
129896	NewStart CGSL CORE 5.04 / MAIN 5.04 : elfutils Multiple Vulnerabilities (NS-SA-2019-0209)	Nessus	NewStart CGSL Local Security Checks	critical
122279	Fedora 29 : elfutils (2019-44a9d99647)	Nessus	Fedora Local Security Checks	medium

Detections

Analytics

CVE-2019-7146

medium

Tenable Plugins

medium

critical

medium

critical

medium

critical

medium