CVE-2021-2163 – OpenJDK: Incomplete enforcement of JAR signing disabled algorithms (Libraries, 8249906)
https://notcve.org/view.php?id=CVE-2021-2163
Vulnerability in the Java SE, Java SE Embedded, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Libraries). Supported versions that are affected are Java SE: 7u291, 8u281, 11.0.10, 16; Java SE Embedded: 8u281; Oracle GraalVM Enterprise Edition: 19.3.5, 20.3.1.2 and 21.0.0.2. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java SE, Java SE Embedded, Oracle GraalVM Enterprise Edition. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Java SE, Java SE Embedded, Oracle GraalVM Enterprise Edition accessible data. • https://lists.debian.org/debian-lts-announce/2021/04/msg00021.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5ACX4JEVYH6H4PSMGMYWTGABPOFPH3TS https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CFXOKM2233JVGYDOWW77BN54X3GZTIBK https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CG7EWXSO6JUCVHP7R3SOZQ7WPNBOISJH https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MAULPCQFLAMBJIS27YLNNX6I • CWE-327: Use of a Broken or Risky Cryptographic Algorithm •
CVE-2021-3506
https://notcve.org/view.php?id=CVE-2021-3506
An out-of-bounds (OOB) memory access flaw was found in fs/f2fs/node.c in the f2fs module in the Linux kernel in versions before 5.12.0-rc4. A bounds check failure allows a local attacker to gain access to out-of-bounds memory leading to a system crash or a leak of internal kernel information. The highest threat from this vulnerability is to system availability. Se encontró un fallo de acceso a la memoria fuera de límites (OOB) en el archivo fs/f2fs/node.c en el módulo f2fs en el kernel de Linux en versiones anteriores a 5.12.0-rc4. Un fallo en la comprobación de límites permite a un atacante local conseguir acceso a la memoria fuera de límites, conllevando a un bloqueo del sistema o una fuga de información interna del kernel. • http://www.openwall.com/lists/oss-security/2021/05/08/1 https://bugzilla.redhat.com/show_bug.cgi?id=1944298 https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html https://security.netapp.com/advisory/ntap-20210611-0007 https://www.mail-archive.com/linux-kernel%40vger.kernel.org/msg2520013.html https://www.openwall.com/lists/oss-security/2021/03/28/2 • CWE-125: Out-of-bounds Read •
CVE-2021-29154 – kernel: Local privilege escalation due to incorrect BPF JIT branch displacement computation
https://notcve.org/view.php?id=CVE-2021-29154
BPF JIT compilers in the Linux kernel through 5.11.12 have incorrect computation of branch displacements, allowing them to execute arbitrary code within the kernel context. This affects arch/x86/net/bpf_jit_comp.c and arch/x86/net/bpf_jit_comp32.c. Los compiladores BPF JIT en el kernel de Linux hasta la versión 5.11.12 tienen un cálculo incorrecto de los desplazamientos de rama, lo que les permite ejecutar código arbitrario dentro del contexto del kernel. Esto afecta a arch/x86/net/bpf_jit_comp.c y arch/x86/net/bpf_jit_comp32.c A flaw was found in the Linux kernels eBPF implementation. By default, accessing the eBPF verifier is only accessible to privileged users with CAP_SYS_ADMIN. • http://packetstormsecurity.com/files/162434/Kernel-Live-Patch-Security-Notice-LSN-0076-1.html https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=26f55a59dc65ff77cd1c4b37991e26497fc68049 https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e4d4d456436bfb2fe412ee2cd489f7658449b098 https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html https://lists.fedoraproject.org/archives/list/package-anno • CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •
CVE-2021-22876 – curl: Leak of authentication credentials in URL via automatic Referer
https://notcve.org/view.php?id=CVE-2021-22876
curl 7.1.1 to and including 7.75.0 is vulnerable to an "Exposure of Private Personal Information to an Unauthorized Actor" by leaking credentials in the HTTP Referer: header. libcurl does not strip off user credentials from the URL when automatically populating the Referer: HTTP request header field in outgoing HTTP requests, and therefore risks leaking sensitive data to the server that is the target of the second HTTP request. curl versiones 7.1.1 hasta 7.75.0 incluyéndola, es vulnerable a una "Exposure of Private Personal Information to an Unauthorized Actor" al filtrar credenciales en el encabezado HTTP Referer:. libcurl no elimina las credenciales de usuario de la URL cuando completa automáticamente el campo de encabezado de petición HTTP Referer: en peticiones HTTP salientes y, por lo tanto, corre el riesgo de filtrar datos confidenciales al servidor que es el objetivo de la segunda petición HTTP. It was discovered that libcurl did not remove authentication credentials from URLs when automatically populating the Referer HTTP request header while handling HTTP redirects. This could lead to exposure of the credentials to the server to which requests were redirected. • https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf https://curl.se/docs/CVE-2021-22876.html https://hackerone.com/reports/1101882 https://lists.debian.org/debian-lts-announce/2021/05/msg00019.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2ZC5BMIOKLBQJSFCHEDN2G2C2SH274BP https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ITVWPVGLFISU5BJC2BXBRYSDXTXE2YGC https://lists.fedoraproject.org/archives/list/package-announce%40 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-359: Exposure of Private Personal Information to an Unauthorized Actor •
CVE-2021-22890 – curl: TLS 1.3 session ticket mix-up with HTTPS proxy host
https://notcve.org/view.php?id=CVE-2021-22890
curl 7.63.0 to and including 7.75.0 includes vulnerability that allows a malicious HTTPS proxy to MITM a connection due to bad handling of TLS 1.3 session tickets. When using a HTTPS proxy and TLS 1.3, libcurl can confuse session tickets arriving from the HTTPS proxy but work as if they arrived from the remote server and then wrongly "short-cut" the host handshake. When confusing the tickets, a HTTPS proxy can trick libcurl to use the wrong session ticket resume for the host and thereby circumvent the server TLS certificate check and make a MITM attack to be possible to perform unnoticed. Note that such a malicious HTTPS proxy needs to provide a certificate that curl will accept for the MITMed server for an attack to work - unless curl has been told to ignore the server certificate check. curl versiones 7.63.0 hasta 7.75.0 incluyéndola, incluye una vulnerabilidad que permite que un proxy HTTPS malicioso acceda a una conexión MITM debido al manejo inapropiado de los tickets de sesión de TLS versión 1.3. Cuando se usa un proxy HTTPS y TLS 1.3, libcurl puede confundir los tickets de sesión que llegan del proxy HTTPS pero funciona como si llegaran del servidor remoto y luego "short-cut" incorrectamente el protocolo de enlace del host. • https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf https://curl.se/docs/CVE-2021-22890.html https://hackerone.com/reports/1129529 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2ZC5BMIOKLBQJSFCHEDN2G2C2SH274BP https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ITVWPVGLFISU5BJC2BXBRYSDXTXE2YGC https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KQUIOYX2KUU6FIUZVB5WWZ6JHSSYSQWJ https://security.gen • CWE-290: Authentication Bypass by Spoofing CWE-300: Channel Accessible by Non-Endpoint •