CVSS: 5.9EPSS: 0%CPEs: 38EXPL: 0CVE-2021-23841 – Null pointer deref in X509_issuer_and_serial_hash()
https://notcve.org/view.php?id=CVE-2021-23841
The OpenSSL public API function X509_issuer_and_serial_hash() attempts to create a unique hash value based on the issuer and serial number data contained within an X509 certificate. However it fails to correctly handle any errors that may occur while parsing the issuer field (which might occur if the issuer field is maliciously constructed). This may subsequently result in a NULL pointer deref and a crash leading to a potential denial of service attack. The function X509_issuer_and_serial_hash() is never directly called by OpenSSL itself so applications are only vulnerable if they use this function directly and they use it on certificates that may have been obtained from untrusted sources. OpenSSL versions 1.1.1i and below are affected by this issue. • http://seclists.org/fulldisclosure/2021/May/67 http://seclists.org/fulldisclosure/2021/May/68 http://seclists.org/fulldisclosure/2021/May/70 https://cert-portal.siemens.com/productcert/pdf/ssa-637483.pdf https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=122a19ab48091c657f7cb1fb3af9fc07bd557bbf https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=8252ee4d90f3f2004d3d0aeeed003ad49c9a7807 https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44846 https://security.gentoo.org/gls • CWE-476: NULL Pointer Dereference •
CVSS: 7.5EPSS: 0%CPEs: 13EXPL: 0CVE-2020-28196 – krb5: unbounded recursion via an ASN.1-encoded Kerberos message in lib/krb5/asn.1/asn1_encode.c may lead to DoS
https://notcve.org/view.php?id=CVE-2020-28196
MIT Kerberos 5 (aka krb5) before 1.17.2 and 1.18.x before 1.18.3 allows unbounded recursion via an ASN.1-encoded Kerberos message because the lib/krb5/asn.1/asn1_encode.c support for BER indefinite lengths lacks a recursion limit. MIT Kerberos versión 5 (también se conoce como krb5) versiones anteriores a 1.17.2 y versiones 1.18.x anteriores a 1.18.3, permite una recursividad ilimitada por medio de un mensaje Kerberos codificado en ASN.1 porque el soporte de la biblioteca lib/krb5 /asn.1/asn1_encode.c para longitudes indefinidas BER carece un límite de recursividad A flaw was found in krb5. MIT Kerberos 5 allows unbounded recursion via an ASN.1-encoded Kerberos message because the lib/krb5/asn.1/asn1_encode.c support for BER indefinite lengths lacks a recursion limit. • https://github.com/krb5/krb5/commit/57415dda6cf04e73ffc3723be518eddfae599bfd https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E https://lists.debian.org/debian-lts-announce/2020/11/msg00011.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/45KKOZQWIIIW5C45PJVGQ32AXBSYNBE7 https://lists.fedoraproject.org/archives • CWE-674: Uncontrolled Recursion •
CVSS: 7.5EPSS: 0%CPEs: 73EXPL: 0CVE-2020-25649 – jackson-databind: FasterXML DOMDeserializer insecure entity expansion is vulnerable to XML external entity (XXE)
https://notcve.org/view.php?id=CVE-2020-25649
A flaw was found in FasterXML Jackson Databind, where it did not have entity expansion secured properly. This flaw allows vulnerability to XML external entity (XXE) attacks. The highest threat from this vulnerability is data integrity. Se encontró un fallo en FasterXML Jackson Databind, donde no tenía la expansión de entidad asegurada apropiadamente. Este fallo permite una vulnerabilidad a ataques de tipo XML external entity (XXE). • https://bugzilla.redhat.com/show_bug.cgi?id=1887664 https://github.com/FasterXML/jackson-databind/issues/2589 https://lists.apache.org/thread.html/r011d1430e8f40dff9550c3bc5d0f48b14c01ba8aecabd91d5e495386%40%3Ccommits.turbine.apache.org%3E https://lists.apache.org/thread.html/r024b7bda9c43c5560d81238748775c5ecfe01b57280f90df1f773949%40%3Cissues.hive.apache.org%3E https://lists.apache.org/thread.html/r04529cedaca40c2ff90af4880493f9c88a8ebf4d1d6c861d23108a5a%40%3Cnotifications.zookeeper.apache.org%3E https://lists.apache.org/thread.html/r0881e23bd9034c8f51fdccdc8f4d085ba985d • CWE-611: Improper Restriction of XML External Entity Reference •
CVSS: 9.8EPSS: 0%CPEs: 79EXPL: 0CVE-2020-10683 – dom4j: XML External Entity vulnerability in default SAX parser
https://notcve.org/view.php?id=CVE-2020-10683
dom4j before 2.0.3 and 2.1.x before 2.1.3 allows external DTDs and External Entities by default, which might enable XXE attacks. However, there is popular external documentation from OWASP showing how to enable the safe, non-default behavior in any application that uses dom4j. dom4j versiones anteriores a 2.0.3 y versiones 2.1.x anteriores a 2.1.3, permite DTDs y External Entities por defecto, lo que podría permitir ataques de tipo XXE. Sin embargo, existe una documentación externa popular de OWASP que muestra cómo habilitar el comportamiento seguro no predeterminado en cualquier aplicación que use dom4j. • http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00061.html https://bugzilla.redhat.com/show_bug.cgi?id=1694235 https://cheatsheetseries.owasp.org/cheatsheets/XML_External_Entity_Prevention_Cheat_Sheet.html https://github.com/dom4j/dom4j/commit/a8228522a99a02146106672a34c104adbda5c658 https://github.com/dom4j/dom4j/commits/version-2.0.3 https://github.com/dom4j/dom4j/issues/87 https://github.com/dom4j/dom4j/releases/tag/version-2.1.3 https://lists.apache.org/thread.html/r51f3f9801058 • CWE-611: Improper Restriction of XML External Entity Reference •
CVSS: 6.9EPSS: 6%CPEs: 206EXPL: 5CVE-2020-11022 – Potential XSS vulnerability in jQuery
https://notcve.org/view.php?id=CVE-2020-11022
In jQuery versions greater than or equal to 1.2 and before 3.5.0, passing HTML from untrusted sources - even after sanitizing it - to one of jQuery's DOM manipulation methods (i.e. .html(), .append(), and others) may execute untrusted code. This problem is patched in jQuery 3.5.0. En las versiones de jQuery mayores o iguales a 1.2 y anteriores a la versión 3.5.0, se puede ejecutar HTML desde fuentes no seguras, incluso después de desinfectarlo, a uno de los métodos de manipulación DOM de jQuery (es decir .html (), .append () y otros). código no seguro Este problema está corregido en jQuery 3.5.0. A Cross-site scripting (XSS) vulnerability exists in JQuery. This flaw allows an attacker with the ability to supply input to the ‘HTML’ function to inject Javascript into the page where that input is rendered, and have it delivered by the browser. jQuery version 1.2 suffers from a cross site scripting vulnerability. • https://www.exploit-db.com/exploits/49766 https://github.com/0xAJ2K/CVE-2020-11022-CVE-2020-11023 https://github.com/ossf-cve-benchmark/CVE-2020-11022 https://github.com/Snorlyd/https-nj.gov---CVE-2020-11022 http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00067.html http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00085.html http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00039.html http://packetstormsecurity.com/files/162159/jQuery-1.2& • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •