CVE-2019-7665 – elfutils: heap-based buffer over-read in function elf32_xlatetom in elf32_xlatetom.c
https://notcve.org/view.php?id=CVE-2019-7665
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. En elfutils 0.175, existe una sobrelectura de búfer basada en memoria dinámica (heap) en la función elf32_xlatetom en elf32_xlatetom.c. Una entrada ELF manipulada puede provocar un fallo de segmentación que conduce a una denegación de servicio (cierre inesperado del programa) debido a que ebl_core_note no rechaza las notas de archivo core mal formadas. • http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00052.html https://access.redhat.com/errata/RHSA-2019:2197 https://access.redhat.com/errata/RHSA-2019:3575 https://lists.debian.org/debian-lts-announce/2019/02/msg00036.html https://lists.debian.org/debian-lts-announce/2021/10/msg00030.html https://sourceware.org/bugzilla/show_bug.cgi?id=24089 https://sourceware.org/ml/elfutils-devel/2019-q1/msg00049.html https://usn.ubuntu.com/4012-1 https://access.redhat.com • CWE-122: Heap-based Buffer Overflow CWE-125: Out-of-bounds Read •
CVE-2018-16890 – curl: NTLM type-2 heap out-of-bounds buffer read
https://notcve.org/view.php?id=CVE-2018-16890
libcurl versions from 7.36.0 to before 7.64.0 is vulnerable to a heap buffer out-of-bounds read. The function handling incoming NTLM type-2 messages (`lib/vauth/ntlm.c:ntlm_decode_type2_target`) does not validate incoming data correctly and is subject to an integer overflow vulnerability. Using that overflow, a malicious or broken NTLM server could trick libcurl to accept a bad length + offset combination that would lead to a buffer read out-of-bounds. Libcurl, desde la versión 7.36.0 hasta antes de la 7.64.0, es vulnerable a una lectura de memoria dinámica (heap) fuera de límites. La función que gestiona los mensajes entrantes NTLM de tipo 2 ("lib/vauth/ntlm.c:ntlm_decode_type2_target") no valida los datos entrantes correctamente y está sujeta a una vulnerabilidad de desbordamiento de enteros. • https://github.com/michelleamesquita/CVE-2018-16890 http://www.securityfocus.com/bid/106947 https://access.redhat.com/errata/RHSA-2019:3701 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16890 https://cert-portal.siemens.com/productcert/pdf/ssa-436177.pdf https://curl.haxx.se/docs/CVE-2018-16890.html https://lists.apache.org/thread.html/8338a0f605bdbb3a6098bb76f666a95fc2b2f53f37fa1ecc89f1146f%40%3Cdevnull.infra.apache.org%3E https://security.netapp.com/advisory/ntap-20190315-0001 https://sup • CWE-125: Out-of-bounds Read CWE-190: Integer Overflow or Wraparound •
CVE-2019-3822 – curl: NTLMv2 type-3 header stack buffer overflow
https://notcve.org/view.php?id=CVE-2019-3822
libcurl versions from 7.36.0 to before 7.64.0 are vulnerable to a stack-based buffer overflow. The function creating an outgoing NTLM type-3 header (`lib/vauth/ntlm.c:Curl_auth_create_ntlm_type3_message()`), generates the request HTTP header contents based on previously received data. The check that exists to prevent the local buffer from getting overflowed is implemented wrongly (using unsigned math) and as such it does not prevent the overflow from happening. This output data can grow larger than the local buffer if very large 'nt response' data is extracted from a previous NTLMv2 header provided by the malicious or broken HTTP server. Such a 'large value' needs to be around 1000 bytes or more. • http://www.securityfocus.com/bid/106950 https://access.redhat.com/errata/RHSA-2019:3701 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3822 https://cert-portal.siemens.com/productcert/pdf/ssa-436177.pdf https://curl.haxx.se/docs/CVE-2019-3822.html https://lists.apache.org/thread.html/8338a0f605bdbb3a6098bb76f666a95fc2b2f53f37fa1ecc89f1146f%40%3Cdevnull.infra.apache.org%3E https://security.gentoo.org/glsa/201903-03 https://security.netapp.com/advisory/ntap-20190315-0001 https://security.n • CWE-121: Stack-based Buffer Overflow CWE-787: Out-of-bounds Write •
CVE-2019-1000019 – libarchive: Out of bounds read in archive_read_support_format_7zip.c resulting in a denial of service
https://notcve.org/view.php?id=CVE-2019-1000019
libarchive version commit bf9aec176c6748f0ee7a678c5f9f9555b9a757c1 onwards (release v3.0.2 onwards) contains a CWE-125: Out-of-bounds Read vulnerability in 7zip decompression, archive_read_support_format_7zip.c, header_bytes() that can result in a crash (denial of service). This attack appears to be exploitable via the victim opening a specially crafted 7zip file. libarchive en versiones desde el commit con ID bf9aec176c6748f0ee7a678c5f9f9555b9a757c1 y siguientes (desde la versión v3.0.2) contiene una vulnerabilidad CWE-125: lectura fuera de límites en la descompresión 7zip (header_bytes() en archive_read_support_format_7zip.c) que puede resultar en un cierre inesperado (denegación de servicio). El ataque parece ser explotable si una víctima abre un archivo 7zip especialmente manipulado. • http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.html http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00012.html http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00015.html https://access.redhat.com/errata/RHSA-2019:2298 https://access.redhat.com/errata/RHSA-2019:3698 https://github.com/libarchive/libarchive/pull/1120 https://github.com/libarchive/libarchive/pull/1120/commits/65a23f5dbee4497064e9bb467f81138a62b0dae1 https://lists.debian.org/debian-lts-anno • CWE-125: Out-of-bounds Read •
CVE-2019-1000020 – libarchive: Infinite recursion in archive_read_support_format_iso9660.c resulting in denial of service
https://notcve.org/view.php?id=CVE-2019-1000020
libarchive version commit 5a98dcf8a86364b3c2c469c85b93647dfb139961 onwards (version v2.8.0 onwards) contains a CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') vulnerability in ISO9660 parser, archive_read_support_format_iso9660.c, read_CE()/parse_rockridge() that can result in DoS by infinite loop. This attack appears to be exploitable via the victim opening a specially crafted ISO9660 file. libarchive, en versiones desde el commit con ID 5a98dcf8a86364b3c2c469c85b93647dfb139961 (desde la versión v2.8.0) contiene una vulnerabilidad CWE-835: bucle con condición de salida inalcanzable (bucle infinito) en el analizador ISO9660, archive_read_support_format_iso9660.c, read_CE()/parse_rockridge() que puede resultar en una denegación de servicio (DoS) por bucle infinito. El ataque parece ser explotable si una víctima abre un archivo ISO9660 especialmente manipulado. • http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.html http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00012.html http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00015.html https://access.redhat.com/errata/RHSA-2019:2298 https://access.redhat.com/errata/RHSA-2019:3698 https://github.com/libarchive/libarchive/pull/1120 https://github.com/libarchive/libarchive/pull/1120/commits/8312eaa576014cd9b965012af51bc1f967b12423 https://lists.debian.org/debian-lts-anno • CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') •