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CVSS: 9.8EPSS: 0%CPEs: 14EXPL: 8

This flaw makes curl overflow a heap based buffer in the SOCKS5 proxy handshake. When curl is asked to pass along the host name to the SOCKS5 proxy to allow that to resolve the address instead of it getting done by curl itself, the maximum length that host name can be is 255 bytes. If the host name is detected to be longer, curl switches to local name resolving and instead passes on the resolved address only. Due to this bug, the local variable that means "let the host resolve the name" could get the wrong value during a slow SOCKS5 handshake, and contrary to the intention, copy the too long host name to the target buffer instead of copying just the resolved address there. The target buffer being a heap based buffer, and the host name coming from the URL that curl has been told to operate with. Esta falla hace que curl desborde un búfer basado en el protocolo de enlace del proxy SOCKS5. Cuando se le pide a curl que pase el nombre de host al proxy SOCKS5 para permitir que resuelva la dirección en lugar de que lo haga curl mismo, la longitud máxima que puede tener el nombre de host es 255 bytes. Si se detecta que el nombre de host es más largo, curl cambia a la resolución de nombres local y en su lugar pasa solo la dirección resuelta. • https://github.com/d0rb/CVE-2023-38545 https://github.com/vanigori/CVE-2023-38545-sample https://github.com/UTsweetyfish/CVE-2023-38545 https://github.com/fatmo666/CVE-2023-38545-libcurl-SOCKS5-heap-buffer-overflow https://github.com/imfht/CVE-2023-38545 https://github.com/bcdannyboy/CVE-2023-38545 https://github.com/dbrugman/CVE-2023-38545-POC https://github.com/Yang-Shun-Yu/CVE-2023-38545 http://seclists.org/fulldisclosure/2024/Jan/34 http://seclists.org/fulldisclosure • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-787: Out-of-bounds Write •

CVSS: 8.8EPSS: 1%CPEs: 4EXPL: 0

An integer overflow in xerces-c++ 3.2.3 in BigFix Platform allows remote attackers to cause out-of-bound access via HTTP request. Un desbordamiento de enteros de xerces-c++ 3.2.3 en BigFix Platform permite a atacantes remotos provocar acceso fuera de límites a través de una solicitud HTTP. An integer overflow exists in xerces-c++. This flaw allows an attacker using a specially crafted HTTP request payload to trigger an out-of-bounds read, resulting in a loss of confidentiality, integrity, and availability. • https://lists.debian.org/debian-lts-announce/2023/12/msg00027.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7A6WWL4SWKAVYK6VK5YN7KZP4MZWC7IY https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AJYZUBGPVWJ7LEHRCMB5XVADQBNGURXD https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DAOSSJ72CUJ535VRWTCVQKUYT2LYR3OM https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0107791 https://access.redhat.com/security • CWE-190: Integer Overflow or Wraparound CWE-680: Integer Overflow to Buffer Overflow •

CVSS: 4.9EPSS: 0%CPEs: 3EXPL: 0

Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. Prior to version 1.94.0, a malicious server ACL event can impact performance temporarily or permanently leading to a persistent denial of service. Homeservers running on a closed federation (which presumably do not need to use server ACLs) are not affected. Server administrators are advised to upgrade to Synapse 1.94.0 or later. As a workaround, rooms with malicious server ACL events can be purged and blocked using the admin API. • https://github.com/matrix-org/synapse/pull/16360 https://github.com/matrix-org/synapse/security/advisories/GHSA-5chr-wjw5-3gq4 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KEVRB4MG5UXQ5RLZHSUJXM5GWEBYYS5B https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/N6P4QULVUE254WI7XF2LWWOGHCYVFXFY https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WRO4MPQ6HOXIUZM6RJP6VTCTMV7RD2T3 https://matrix-org.github.io/synapse/latest • CWE-770: Allocation of Resources Without Limits or Throttling •

CVSS: 7.5EPSS: 83%CPEs: 444EXPL: 7

The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023. El protocolo HTTP/2 permite una denegación de servicio (consumo de recursos del servidor) porque la cancelación de solicitudes puede restablecer muchas transmisiones rápidamente, como se explotó en la naturaleza entre agosto y octubre de 2023. A flaw was found in handling multiplexed streams in the HTTP/2 protocol. A client can repeatedly make a request for a new multiplex stream and immediately send an RST_STREAM frame to cancel it. This creates extra work for the server setting up and tearing down the streams while not hitting any server-side limit for the maximum number of active streams per connection, resulting in a denial of service due to server resource consumption. • https://github.com/imabee101/CVE-2023-44487 https://github.com/studiogangster/CVE-2023-44487 https://github.com/bcdannyboy/CVE-2023-44487 https://github.com/sigridou/CVE-2023-44487- https://github.com/ByteHackr/CVE-2023-44487 https://github.com/ReToCode/golang-CVE-2023-44487 http://www.openwall.com/lists/oss-security/2023/10/13/4 http://www.openwall.com/lists/oss-security/2023/10/13/9 http://www.openwall.com/lists/oss-security/2023/10/18/4 http://www. • CWE-400: Uncontrolled Resource Consumption •

CVSS: 8.8EPSS: 0%CPEs: 7EXPL: 2

libcue provides an API for parsing and extracting data from CUE sheets. Versions 2.2.1 and prior are vulnerable to out-of-bounds array access. A user of the GNOME desktop environment can be exploited by downloading a cue sheet from a malicious webpage. Because the file is saved to `~/Downloads`, it is then automatically scanned by tracker-miners. And because it has a .cue filename extension, tracker-miners use libcue to parse the file. • http://packetstormsecurity.com/files/176128/libcue-2.2.1-Out-Of-Bounds-Access.html https://github.blog/2023-10-09-coordinated-disclosure-1-click-rce-on-gnome-cve-2023-43641 https://github.com/lipnitsk/libcue/commit/cfb98a060fd79dbc3463d85f0f29c3c335dfa0ea https://github.com/lipnitsk/libcue/commit/fdf72c8bded8d24cfa0608b8e97f2eed210a920e https://github.com/lipnitsk/libcue/security/advisories/GHSA-5982-x7hv-r9cj https://lists.debian.org/debian-lts-announce/2023/10/msg00018.html https://lists.fedoraproject.org/archives/l • CWE-787: Out-of-bounds Write •