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CVSS: 5.1EPSS: 1%CPEs: 1EXPL: 0

The getaddrinfo function in glibc before 2.15, when compiled with libidn and the AI_IDN flag is used, allows context-dependent attackers to cause a denial of service (invalid free) and possibly execute arbitrary code via unspecified vectors, as demonstrated by an internationalized domain name to ping6. Vulnerabilidad en la función getaddrinfo en glibc en versiones anteriores a 2.15, cuando es compilado con libidn y es utilizado el indicador AI_IDN, permite a atacantes dependientes de contexto provocar una denegación de servicio (liberación de memoria no válida) y posiblemente ejecutar código arbitrario a través de vectores no especificados, según lo demostrado en un nombre de dominio internacionalizado para ping6. An invalid free flaw was found in glibc's getaddrinfo() function when used with the AI_IDN flag. A remote attacker able to make an application call this function could use this flaw to execute arbitrary code with the permissions of the user running the application. Note that this flaw only affected applications using glibc compiled with libidn support. • http://rhn.redhat.com/errata/RHSA-2015-1627.html http://www.openwall.com/lists/oss-security/2015/01/29/21 http://www.securityfocus.com/bid/72710 https://bugzilla.redhat.com/show_bug.cgi?id=1186614 https://bugzilla.redhat.com/show_bug.cgi?id=981942 https://sourceware.org/bugzilla/show_bug.cgi?id=18011 https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Ba=commitdiff%3Bh=2e96f1c7 https://access.redhat.com/security/cve/CVE-2013-7424 • CWE-17: DEPRECATED: Code •

CVSS: 6.4EPSS: 0%CPEs: 5EXPL: 0

The ADDW macro in stdio-common/vfscanf.c in the GNU C Library (aka glibc or libc6) before 2.21 does not properly consider data-type size during a risk-management decision for use of the alloca function, which might allow context-dependent attackers to cause a denial of service (segmentation violation) or overwrite memory locations beyond the stack boundary via a long line containing wide characters that are improperly handled in a wscanf call. El macro ADDW en stdio-common/vfscanf.c en la libraría GNU C (también conocida como glibc o libc6) anterior a 2.21 no considera correctamente el tamaño de tipos de datos durante una decisión de la gestión de riesgos para utilizar en la función alloca, lo que podría permitir atacantes dependientes de contexto causar una denegación de servicio (violación de segmentación) o sobrescribir localizaciones de memoria más allá del límite de la pila a través de una línea larga que contiene caracateres anchas que se manejen incorrectamente en una llamada wscanf. A stack overflow flaw was found in glibc's swscanf() function. An attacker able to make an application call the swscanf() function could use this flaw to crash that application or, potentially, execute arbitrary code with the permissions of the user running the application. • http://openwall.com/lists/oss-security/2015/02/04/1 http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html http://www.securityfocus.com/bid/72499 http://www.ubuntu.com/usn/USN-2519-1 https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Ba=commit%3Bh=5bd80bfe9ca0d955bfbbc002781bc7b01b6bcb06 https://access.redhat.com/security/cve/CVE-2015-1473 https://bugzilla.redhat.com/show_bug.cgi?id=1209105 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-121: Stack-based Buffer Overflow •

CVSS: 7.5EPSS: 1%CPEs: 5EXPL: 0

The ADDW macro in stdio-common/vfscanf.c in the GNU C Library (aka glibc or libc6) before 2.21 does not properly consider data-type size during memory allocation, which allows context-dependent attackers to cause a denial of service (buffer overflow) or possibly have unspecified other impact via a long line containing wide characters that are improperly handled in a wscanf call. El macro ADDW en stdio-common/vfscanf.c en la libraría GNU C (también conocida como glibc o libc6) anterior a 2.21 no considera correctamente el tamaño de datos de estado durante la reserva de memoria, lo que permite a atacantes dependientes de contexto causar una denegación de servicio (desbordamiento de buffer) o posiblemente tener otro impacto no especificado a través de una línea larga que contiene caracteres anchos que se manejen incorrectamente en una llamada wscanf. A heap-based buffer overflow flaw was found in glibc's swscanf() function. An attacker able to make an application call the swscanf() function could use this flaw to crash that application or, potentially, execute arbitrary code with the permissions of the user running the application. Many Cisco devices such as Cisco RV340, Cisco RV340W, Cisco RV345, Cisco RV345P, Cisco RV260, Cisco RV260P, Cisco RV260W, Cisco 160, and Cisco 160W suffer from having hard-coded credentials, known GNU glibc, known BusyBox, and IoT Inspector identified vulnerabilities. • http://openwall.com/lists/oss-security/2015/02/04/1 http://packetstormsecurity.com/files/153278/WAGO-852-Industrial-Managed-Switch-Series-Code-Execution-Hardcoded-Credentials.html http://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.html http://seclists.org/fulldisclosure/2019/Jun/18 http://seclists.org/fulldisclosure/2019/Sep/7 http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015&# • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-122: Heap-based Buffer Overflow •

CVSS: 10.0EPSS: 97%CPEs: 33EXPL: 20

Heap-based buffer overflow in the __nss_hostname_digits_dots function in glibc 2.2, and other 2.x versions before 2.18, allows context-dependent attackers to execute arbitrary code via vectors related to the (1) gethostbyname or (2) gethostbyname2 function, aka "GHOST." Desbordamiento de buffer basado en memoria dinámica en la función __nss_hostname_digits_dots en glibc 2.2, y otras versiones 2.x anteriores a 2.18, permite a atacantes dependientes de contexto ejecutar código arbitrario a través de vectores relacionados con la funciín (1) gethostbyname o (2) gethostbyname2, también conocido como 'GHOST.' A heap-based buffer overflow was found in glibc's __nss_hostname_digits_dots() function, which is used by the gethostbyname() and gethostbyname2() glibc function calls. A remote attacker able to make an application call either of these functions could use this flaw to execute arbitrary code with the permissions of the user running the application. The industrial managed switch series 852 from WAGO is affected by multiple vulnerabilities such as old software components embedded in the firmware. • https://www.exploit-db.com/exploits/35951 https://www.exploit-db.com/exploits/36421 https://github.com/aaronfay/CVE-2015-0235-test https://github.com/makelinux/CVE-2015-0235-workaround https://github.com/sUbc0ol/CVE-2015-0235 https://github.com/mikesplain/CVE-2015-0235-cookbook https://github.com/tobyzxj/CVE-2015-0235 https://github.com/adherzog/ansible-CVE-2015-0235-GHOST http://blogs.sophos.com/2015/01/29/sophos-products-and-the-ghost-vulnerability-affecting-linux http:/ • CWE-122: Heap-based Buffer Overflow CWE-787: Out-of-bounds Write •

CVSS: 4.6EPSS: 0%CPEs: 8EXPL: 0

The wordexp function in GNU C Library (aka glibc) 2.21 does not enforce the WRDE_NOCMD flag, which allows context-dependent attackers to execute arbitrary commands, as demonstrated by input containing "$((`...`))". La función wordexp en GNU C Library (también conocido como glibc) 2.21 no fuerza el indicador WRDE_NOCMD, lo que permite a atacantes dependientes de contexto ejecutar comandos arbitrarios, tal y como fue demostrado por entradas que contienen '$((`...`))'. It was found that the wordexp() function would perform command substitution even when the WRDE_NOCMD flag was specified. An attacker able to provide specially crafted input to an application using the wordexp() function, and not sanitizing the input correctly, could potentially use this flaw to execute arbitrary commands with the credentials of the user running that application. • http://linux.oracle.com/errata/ELSA-2015-0016.html http://linux.oracle.com/errata/ELSA-2015-0092.html http://lists.opensuse.org/opensuse-updates/2015-02/msg00089.html http://rhn.redhat.com/errata/RHSA-2014-2023.html http://seclists.org/oss-sec/2014/q4/730 http://secunia.com/advisories/62100 http://secunia.com/advisories/62146 http://www.debian.org/security/2015/dsa-3142 http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html http://www.oracle.com&#x • CWE-20: Improper Input Validation CWE-440: Expected Behavior Violation •