CVE-2020-12268 – jbig2dec: heap-based buffer overflow in jbig2_image_compose in jbig2_image.c
https://notcve.org/view.php?id=CVE-2020-12268
jbig2_image_compose in jbig2_image.c in Artifex jbig2dec before 0.18 has a heap-based buffer overflow. La función jbig2_image_compose en el archivo jbig2_image.c en Artifex jbig2dec versiones anteriores a la versión 0.18, tiene un desbordamiento de búfer en la región heap de la memoria. An integer overflow was found in jbig2dec, which causes an out-of-bounds read/write in the jbig2_image_compose function. This flaw could potentially result in the execution of code on the system. Applications that use jbig2dec with untrusted input may be vulnerable to this flaw. • http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00034.html https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20332 https://github.com/ArtifexSoftware/jbig2dec/commit/0726320a4b55078e9d8deb590e477d598b3da66e https://github.com/ArtifexSoftware/jbig2dec/compare/0.17...0.18 https://lists.debian.org/debian-lts-announce/2021/10/msg00023.html https://access.redhat.com/security/cve/CVE-2020-12268 https://bugzilla.redhat.com/show_bug.cgi?id=1848518 • CWE-122: Heap-based Buffer Overflow CWE-787: Out-of-bounds Write •
CVE-2020-12105
https://notcve.org/view.php?id=CVE-2020-12105
OpenConnect through 8.08 mishandles negative return values from X509_check_ function calls, which might assist attackers in performing man-in-the-middle attacks. OpenConnect versiones hasta 8.08, maneja inapropiadamente los valores de retorno negativos a partir de llamadas de la función X509_check_, lo que podría ayudar a atacantes a llevar a cabo ataques de tipo man-in-the-middle . • http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00039.html https://gitlab.com/openconnect/openconnect/-/merge_requests/96 https://security.gentoo.org/glsa/202006-15 • CWE-755: Improper Handling of Exceptional Conditions •
CVE-2020-11945 – squid: improper access restriction upon Digest Authentication nonce replay could lead to remote code execution
https://notcve.org/view.php?id=CVE-2020-11945
An issue was discovered in Squid before 5.0.2. A remote attacker can replay a sniffed Digest Authentication nonce to gain access to resources that are otherwise forbidden. This occurs because the attacker can overflow the nonce reference counter (a short integer). Remote code execution may occur if the pooled token credentials are freed (instead of replayed as valid credentials). Se detectó un problema en Squid versiones anteriores a 5.0.2. • http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00018.html http://master.squid-cache.org/Versions/v4/changesets/squid-4-eeebf0f37a72a2de08348e85ae34b02c34e9a811.patch http://www.openwall.com/lists/oss-security/2020/04/23/2 http://www.squid-cache.org/Versions/v4/changesets/squid-4-eeebf0f37a72a2de08348e85ae34b02c34e9a811.patch https://bugzilla.suse.com/show_bug.cgi?id=1170313 https://github.com/squid-cache/squid/commit/eeebf0f37a72a2de08348e85ae34b02c34e9a811 https://github.com/squid-cache/squid/pull/585 • CWE-190: Integer Overflow or Wraparound CWE-284: Improper Access Control •
CVE-2020-1983 – libslirp: use after free vulnerability cause a denial of service.
https://notcve.org/view.php?id=CVE-2020-1983
A use after free vulnerability in ip_reass() in ip_input.c of libslirp 4.2.0 and prior releases allows crafted packets to cause a denial of service. Una vulnerabilidad de uso de la memoria previamente liberada en la función ip_reass() en el archivo ip_input.c de libslirp versiones 4.2.0 y anteriores permite que paquetes especialmente diseñados causen una denegación de servicio. A use-after-free flaw was found in the SLiRP networking implementation of the QEMU emulator. Specifically, this flaw occurs in the ip_reass() routine while reassembling incoming IP fragments whose combined size is bigger than 65k. This flaw allows an attacker to crash the QEMU process on the host, resulting in a denial of service. • http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00022.html http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00001.html https://gitlab.freedesktop.org/slirp/libslirp/-/commit/9ac0371bb8c0a40f5d9f82a1c25129660e81df04 https://gitlab.freedesktop.org/slirp/libslirp/-/issues/20 https://lists.debian.org/debian-lts-announce/2020/06/msg00032.html https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fe • CWE-416: Use After Free •
CVE-2020-12066
https://notcve.org/view.php?id=CVE-2020-12066
CServer::SendMsg in engine/server/server.cpp in Teeworlds 0.7.x before 0.7.5 allows remote attackers to shut down the server. La función CServer::SendMsg en el archivo engine/server/server.cpp en Teeworlds versiones 0.7.x anteriores a 0.7.5, permite a atacantes remotos apagar el servidor. • http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00044.html http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00045.html https://github.com/teeworlds/teeworlds/commit/c68402fa7e279d42886d5951d1ea8ac2facc1ea5 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AVYG7CCPS5F3OPOQMJKVNXTQ7BXSEX2V https://usn.ubuntu.com/4553-1 https://www.debian.org/security/2020/dsa-4763 https://www.teeworlds.com/forum/viewtopic.php?id=14785 • CWE-20: Improper Input Validation •