CVE-2018-6798 – perl: heap read overflow in regexec.c
https://notcve.org/view.php?id=CVE-2018-6798
An issue was discovered in Perl 5.22 through 5.26. Matching a crafted locale dependent regular expression can cause a heap-based buffer over-read and potentially information disclosure. Se ha descubierto un problema en Perl, de la versión 5.22 a la 5.26. Si se hace que coincida una expresión regular dependiente de una locale manipulada, se puede provocar una sobrelectura de búfer basada en memoria dinámica (heap) y una potencial divulgación de información. A heap buffer over read flaw was found in the way Perl regular expression engine handled inputs with invalid UTF-8 characters. • http://www.securitytracker.com/id/1040681 https://access.redhat.com/errata/RHSA-2018:1192 https://rt.perl.org/Public/Bug/Display.html?id=132063 https://security.gentoo.org/glsa/201909-01 https://usn.ubuntu.com/3625-1 https://www.debian.org/security/2018/dsa-4172 https://www.oracle.com/security-alerts/cpujul2020.html https://access.redhat.com/security/cve/CVE-2018-6798 https://bugzilla.redhat.com/show_bug.cgi?id=1547779 • CWE-125: Out-of-bounds Read •
CVE-2018-1000156 – patch: Malicious patch files cause ed to execute arbitrary commands
https://notcve.org/view.php?id=CVE-2018-1000156
GNU Patch version 2.7.6 contains an input validation vulnerability when processing patch files, specifically the EDITOR_PROGRAM invocation (using ed) can result in code execution. This attack appear to be exploitable via a patch file processed via the patch utility. This is similar to FreeBSD's CVE-2015-1418 however although they share a common ancestry the code bases have diverged over time. La versión 2.7.6 de GNU Patch contiene una vulnerabilidad de validación de entradas al procesar archivos patch; específicamente la invocación EDITOR_PROGRAM (usando ed) puede resultar en la ejecución de código. el ataque parece ser explotable mediante un archivo patch procesado mediante la utilidad patch. Esto es similar al CVE-2015-1418 de FreeBSD: aunque comparten un ancestro común, las bases de código han divergido con el tiempo. • http://packetstormsecurity.com/files/154124/GNU-patch-Command-Injection-Directory-Traversal.html http://rachelbythebay.com/w/2018/04/05/bangpatch https://access.redhat.com/errata/RHSA-2018:1199 https://access.redhat.com/errata/RHSA-2018:1200 https://access.redhat.com/errata/RHSA-2018:2091 https://access.redhat.com/errata/RHSA-2018:2092 https://access.redhat.com/errata/RHSA-2018:2093 https://access.redhat.com/errata/RHSA-2018:2094 https://access.redhat.com/errata/RHSA-2018:2095 ht • CWE-20: Improper Input Validation CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') •
CVE-2018-1000140 – librelp: Stack-based buffer overflow in relpTcpChkPeerName function in src/tcp.c
https://notcve.org/view.php?id=CVE-2018-1000140
rsyslog librelp version 1.2.14 and earlier contains a Buffer Overflow vulnerability in the checking of x509 certificates from a peer that can result in Remote code execution. This attack appear to be exploitable a remote attacker that can connect to rsyslog and trigger a stack buffer overflow by sending a specially crafted x509 certificate. rsyslog librelp en versiones 1.2.14 y anteriores contiene una vulnerabilidad de desbordamiento de búfer en la verificación de certificados x509 desde un peer que puede resultar en la ejecución remota de código. Parece que este ataque puede ser explotable debido a que un atacante remoto puede conectarse a rsyslog y desencadena un desbordamiento de búfer basado en pila mediante el envío de un certificado x509 especialmente manipulado. A stack-based buffer overflow was found in the way librelp parses X.509 certificates. By connecting or accepting connections from a remote peer, an attacker may use a specially crafted X.509 certificate to exploit this flaw and potentially execute arbitrary code. • https://github.com/s0/rsyslog-librelp-CVE-2018-1000140 https://github.com/s0/rsyslog-librelp-CVE-2018-1000140-fixed http://packetstormsecurity.com/files/172829/librelp-Remote-Code-Execution.html https://access.redhat.com/errata/RHSA-2018:1223 https://access.redhat.com/errata/RHSA-2018:1225 https://access.redhat.com/errata/RHSA-2018:1701 https://access.redhat.com/errata/RHSA-2018:1702 https://access.redhat.com/errata/RHSA-2018:1703 https://access.redhat.com/errata/RHSA-2018:1704 • CWE-121: Stack-based Buffer Overflow CWE-787: Out-of-bounds Write •
CVE-2016-9600 – jasper: JP2 encoder NULL pointer dereference due to uninitialized cmprof_
https://notcve.org/view.php?id=CVE-2016-9600
JasPer before version 2.0.10 is vulnerable to a null pointer dereference was found in the decoded creation of JPEG 2000 image files. A specially crafted file could cause an application using JasPer to crash. JasPer, en versiones anteriores a la 2.0.10, es vulnerable a una desreferencia de puntero NULL, tal y como se descubrió en la creación descifrada de archivos de imagen JPEG 2000. Un archivo especialmente manipulado podría provocar el cierre inesperado de una aplicación que esté utilizando JasPer. • https://access.redhat.com/errata/RHSA-2017:1208 https://bugzilla.redhat.com/show_bug.cgi?id=1410026 https://usn.ubuntu.com/3693-1 https://access.redhat.com/security/cve/CVE-2016-9600 • CWE-476: NULL Pointer Dereference •
CVE-2018-1054 – 389-ds-base: remote Denial of Service (DoS) via search filters in SetUnicodeStringFromUTF_8 in collate.c
https://notcve.org/view.php?id=CVE-2018-1054
An out-of-bounds memory read flaw was found in the way 389-ds-base handled certain LDAP search filters, affecting all versions including 1.4.x. A remote, unauthenticated attacker could potentially use this flaw to make ns-slapd crash via a specially crafted LDAP request, thus resulting in denial of service. Se ha encontrado un error de lectura de memoria fuera de límites en la forma en la que 389-ds-base gestionaba ciertos filtros de búsqueda LDAP, que afecta a todas las versiones 1.4.x. Un atacante remoto no autenticado podría emplear este error para hacer que ns-slapd se cierre inesperadamente mediante una petición LDAP especialmente manipulada que resulta en una denegación de servicio (DoS). An out-of-bounds memory read flaw was found in the way 389-ds-base handled certain LDAP search filters. • http://www.securityfocus.com/bid/103228 https://access.redhat.com/errata/RHSA-2018:0414 https://access.redhat.com/errata/RHSA-2018:0515 https://bugzilla.redhat.com/show_bug.cgi?id=1537314 https://lists.debian.org/debian-lts-announce/2018/07/msg00018.html https://pagure.io/389-ds-base/issue/49545 https://access.redhat.com/security/cve/CVE-2018-1054 • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') CWE-125: Out-of-bounds Read •