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CVSS: 7.8EPSS: 0%CPEs: 10EXPL: 1

Multiple integer overflows in the (1) get_time_t_max and (2) get_time_t_min functions in archive_read_support_format_mtree.c in libarchive before 3.2.0 allow remote attackers to have unspecified impact via a crafted mtree file, which triggers undefined behavior. Múltiples desbordamientos de entero en las funciones (1) get_time_t_max y (2) get_time_t_min en archive_read_support_format_mtree.c en libarchive en versiones anteriores a 3.2.0 permiten a atacantes remotos tener impacto no especificado a través de un archivo mtree manipulado, lo que desencadena un comportamiento no definido. Undefined behavior (signed integer overflow) was discovered in libarchive, in the MTREE parser's calculation of maximum and minimum dates. A crafted mtree file could potentially cause denial of service. • http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00025.html http://rhn.redhat.com/errata/RHSA-2016-1844.html http://www.debian.org/security/2016/dsa-3657 http://www.openwall.com/lists/oss-security/2016/06/17/2 http://www.openwall.com/lists/oss-security/2016/06/17/5 http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html http://www.securityfocus.com/bid/91338 http://www.ubuntu.com/usn/USN-3033-1 https://blog.fuzzing-project. • CWE-190: Integer Overflow or Wraparound •

CVSS: 8.4EPSS: 1%CPEs: 8EXPL: 2

Integer overflow in the read_SubStreamsInfo function in archive_read_support_format_7zip.c in libarchive before 3.2.1 allows remote attackers to execute arbitrary code via a 7zip file with a large number of substreams, which triggers a heap-based buffer overflow. Desbordamiento de entero en la función read_SubStreamsInfo en archive_read_support_format_7zip.c en libarchive en versiones anteriores a 3.2.1 permite a atacantes remotos ejecutar código arbitrario a través de un archivo 7zip con un gran número de subcorrientes, lo que desencadena un desbordamiento de búfer basado en memoria dinámica. A vulnerability was found in libarchive's handling of 7zip data. A specially crafted 7zip file can cause a integer overflow resulting in memory corruption that can lead to code execution. • http://blog.talosintel.com/2016/06/the-poisoned-archives.html http://rhn.redhat.com/errata/RHSA-2016-1844.html http://www.debian.org/security/2016/dsa-3657 http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html http://www.securityfocus.com/bid/91326 http://www.talosintel.com/reports/TALOS-2016-0152 https://bugzilla.redhat.com/show_bug.cgi?id=1348439 https://github.com/libarchive/l • CWE-122: Heap-based Buffer Overflow CWE-190: Integer Overflow or Wraparound •

CVSS: 5.5EPSS: 0%CPEs: 8EXPL: 1

Integer overflow in the archive_read_format_tar_skip function in archive_read_support_format_tar.c in libarchive before 3.2.0 allows remote attackers to cause a denial of service (crash) via a crafted tar file. Desbordamiento de entero en la función archive_read_format_tar_skip en archive_read_support_format_tar.c en libarchive en versiones anteriores a 3.2.0 permite a atacantes remotos provocar una denegación de servicio (caída) a través de un archivo tar manipulado. • http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00025.html http://www.debian.org/security/2016/dsa-3657 http://www.openwall.com/lists/oss-security/2016/06/17/2 http://www.openwall.com/lists/oss-security/2016/06/17/5 http://www.securityfocus.com/bid/91421 http://www.ubuntu.com/usn/USN-3033-1 https://blog.fuzzing-project.org/47-Many-invalid-memory-access-issues-in-libarchive.html https://github.com/libarchive/libarchive/issues/548 https://security.gento • CWE-190: Integer Overflow or Wraparound •

CVSS: 5.5EPSS: 2%CPEs: 10EXPL: 1

The compress_bidder_init function in archive_read_support_filter_compress.c in libarchive before 3.2.0 allows remote attackers to cause a denial of service (crash) via a crafted tar file, which triggers an invalid left shift. La función compress_bidder_init en archive_read_support_filter_compress.c en libarchive en versiones anteriores a 3.2.0 permite a atacantes remotos provocar una denegación de servicio (caída) a través de un archivo tar manipulado, lo que desencadena un desplazamiento a la izquierda no válida. Undefined behavior (invalid left shift) was discovered in libarchive, in how Compress streams are identified. This could cause certain files to be mistakenly identified as Compress archives and fail to read. • http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00025.html http://rhn.redhat.com/errata/RHSA-2016-1844.html http://rhn.redhat.com/errata/RHSA-2016-1850.html http://www.debian.org/security/2016/dsa-3657 http://www.openwall.com/lists/oss-security/2016/06/17/2 http://www.openwall.com/lists/oss-security/2016/06/17/5 http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html http://www.securityfocus.com/bid/91424 http://www.ubuntu. • CWE-20: Improper Input Validation CWE-682: Incorrect Calculation •

CVSS: 7.5EPSS: 7%CPEs: 8EXPL: 0

The lha_read_file_extended_header function in archive_read_support_format_lha.c in libarchive before 3.2.0 allows remote attackers to cause a denial of service (out-of-bounds heap) via a crafted (1) lzh or (2) lha file. La función lha_read_file_extended_header en archive_read_support_format_lha.c en libarchive en versiones anteriores a 3.2.0 permite a atacantes remotos provocar una denegación de servicio (memoria dinámica fuera de rango) a través de un archivo (1) lzh o (2) lha manipulado. A vulnerability was found in libarchive. A specially crafted LZA/LZH file could cause a small out-of-bounds read, potentially disclosing a few bytes of application memory. • http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00025.html http://rhn.redhat.com/errata/RHSA-2016-1844.html http://www.debian.org/security/2016/dsa-3657 http://www.openwall.com/lists/oss-security/2016/06/17/2 http://www.openwall.com/lists/oss-security/2016/06/17/5 http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html http://www.securityfocus.com/bid/91302 http://www.ubuntu.com/usn/USN-3033-1 https://blog.fuzzing-project. • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-125: Out-of-bounds Read •