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CVSS: 5.5EPSS: 0%CPEs: 13EXPL: 0

02 Sep 2020 — A memory out-of-bounds read flaw was found in the Linux kernel before 5.9-rc2 with the ext3/ext4 file system, in the way it accesses a directory with broken indexing. This flaw allows a local user to crash the system if the directory exists. The highest threat from this vulnerability is to system availability. Se encontró un fallo de lectura de memoria fuera de límites en el kernel de Linux versiones anteriores a 5.9-rc2, con el sistema de archivos ext3/ext4, en la manera en que accede a un directorio con i... • https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14314 • CWE-125: Out-of-bounds Read •

CVSS: 7.8EPSS: 0%CPEs: 5EXPL: 0

02 Sep 2020 — A flaw was found in xorg-x11-server before 1.20.9. An integer underflow in the X input extension protocol decoding in the X server may lead to arbitrary access of memory contents. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. Se encontró un fallo en xorg-x11-server versiones anteriores a 1.20.9. Un subdesbordamiento de enteros en la decodificación del protocolo de extensión de entrada X en el servidor X puede conllevar a un acceso ar... • https://bugzilla.redhat.com/show_bug.cgi?id=1862246 • CWE-191: Integer Underflow (Wrap or Wraparound) •

CVSS: 7.8EPSS: 0%CPEs: 5EXPL: 0

02 Sep 2020 — A flaw was found in X.Org Server before xorg-x11-server 1.20.9. An Integer underflow leading to heap-buffer overflow may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. Se encontró un fallo en X.Org Server versiones anteriores a xorg-x11-server 1.20.9. Un subdesbordamiento de enteros que conlleva a un desbordamiento del búfer de la pila puede conllevar a una vulnerabilidad de escalada de pr... • https://bugzilla.redhat.com/show_bug.cgi?id=1869142 • CWE-191: Integer Underflow (Wrap or Wraparound) •

CVSS: 7.8EPSS: 0%CPEs: 5EXPL: 0

02 Sep 2020 — A flaw was found in X.Org Server before xorg-x11-server 1.20.9. An Integer underflow leading to heap-buffer overflow may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. Se encontró un fallo en X.Org Server versiones anteriores a xorg-x11-server 1.20.9. Un subdesbordamiento de enteros que conlleva a un desbordamiento del búfer de la pila puede conllevar a una vulnerabilidad de escalada de pr... • https://bugzilla.redhat.com/show_bug.cgi?id=1869144 • CWE-191: Integer Underflow (Wrap or Wraparound) •

CVSS: 4.3EPSS: 0%CPEs: 10EXPL: 0

01 Sep 2020 — In KDE Ark before 20.08.1, a crafted TAR archive with symlinks can install files outside the extraction directory, as demonstrated by a write operation to a user's home directory. En KDE Ark versiones anteriores a 20.08.1, un archivo TAR diseñado con enlaces simbólicos puede instalar archivos fuera del directorio de extracción, como es demostrado mediante una operación de escritura en el directorio de inicio del usuario Fabian Vogt discovered that Ark incorrectly handled symbolic links in tar archive files.... • http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00001.html • CWE-59: Improper Link Resolution Before File Access ('Link Following') •

CVSS: 5.0EPSS: 11%CPEs: 15EXPL: 2

31 Aug 2020 — An out-of-bounds read/write access flaw was found in the USB emulator of the QEMU in versions before 5.2.0. This issue occurs while processing USB packets from a guest when USBDevice 'setup_len' exceeds its 'data_buf[4096]' in the do_token_in, do_token_out routines. This flaw allows a guest user to crash the QEMU process, resulting in a denial of service, or the potential execution of arbitrary code with the privileges of the QEMU process on the host. Se encontró un fallo de acceso de lectura/escritura fuer... • https://github.com/gejian-iscas/CVE-2020-14364 • CWE-125: Out-of-bounds Read CWE-787: Out-of-bounds Write •

CVSS: 9.6EPSS: 0%CPEs: 12EXPL: 0

27 Aug 2020 — An issue was discovered in Squid before 4.13 and 5.x before 5.0.4. Due to incorrect data validation, HTTP Request Smuggling attacks may succeed against HTTP and HTTPS traffic. This leads to cache poisoning. This allows any client, including browser scripts, to bypass local security and poison the proxy cache and any downstream caches with content from an arbitrary source. When configured for relaxed header parsing (the default), Squid relays headers containing whitespace characters to upstream servers. • http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00012.html • CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') •

CVSS: 9.6EPSS: 0%CPEs: 12EXPL: 0

27 Aug 2020 — An issue was discovered in Squid before 4.13 and 5.x before 5.0.4. Due to incorrect data validation, HTTP Request Splitting attacks may succeed against HTTP and HTTPS traffic. This leads to cache poisoning. This allows any client, including browser scripts, to bypass local security and poison the browser cache and any downstream caches with content from an arbitrary source. Squid uses a string search instead of parsing the Transfer-Encoding header to find chunked encoding. • http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00012.html • CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') CWE-697: Incorrect Comparison •

CVSS: 8.6EPSS: 6%CPEs: 12EXPL: 0

24 Aug 2020 — Squid before 4.13 and 5.x before 5.0.4 allows a trusted peer to perform Denial of Service by consuming all available CPU cycles during handling of a crafted Cache Digest response message. This only occurs when cache_peer is used with the cache digests feature. The problem exists because peerDigestHandleReply() livelocking in peer_digest.cc mishandles EOF. Squid versiones anteriores a 4.13 y versiones 5.x anteriores a 5.0.4, permite que un peer de confianza lleve a cabo una Denegación de Servicio mediante el... • http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00012.html • CWE-20: Improper Input Validation CWE-667: Improper Locking •

CVSS: 7.5EPSS: 5%CPEs: 12EXPL: 0

21 Aug 2020 — In BIND 9.15.6 -> 9.16.5, 9.17.0 -> 9.17.3, An attacker who can establish a TCP connection with the server and send data on that connection can exploit this to trigger the assertion failure, causing the server to exit. En BIND versiones 9.15.6 -) 9.16.5, 9.17.0 -) 9.17.3, un atacante que puede establecer una conexión TCP con el servidor y enviar datos en esa conexión puede explotar esto para desencadenar el fallo de aserción, causando la salida del servidor. Emanuel Almeida discovered that Bind incorrectly ... • http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html • CWE-617: Reachable Assertion •