How to by CVE-2015-7547(GLIBC getaddrinfo)vulnerability to bypass ASLR-exploits warning-the black bar safety net

! 0x01 introduction 2016 2 on 16 May, Google disclosed a critical buffer overflow vulnerability in the GLIBC library in the getaddrinfo function in the trigger. At the same time they also provided a copy of the PoC. Based on this, in this article, we will show how to by CVE-2015-7547 bypass ASLR...

The vulnerabilities of the library that provides system calls and core functions in glibc allow a malicious actor to cause a service failure or execute arbitrary code.

Multiple vulnerabilities exist in the functions senddg and sendvc of the libresolv module’s library, which provides system calls and core functions for the glibc library. These vulnerabilities allow a malicious actor to trigger service failures or execute arbitrary code through a specially crafte...

The vulnerability of the library that handles system calls and core functions of glibc allows a attacker to cause a service failure.

The vulnerability of the getaddrinfo function sysdeps/posix/getaddrinfo.c in the library that provides system calls and core functions of glibc arises from a buffer overflow in the stack. Exploiting this vulnerability allows an attacker, operating remotely, to cause a service failure by specifyin...

glibc getaddrinfo Stack Buffer Overflow

add by SpeeDr00t@Blackfalcon jang kyoung chip This is a published vulnerability by google in the past. Please refer to the link below. Reference: - https://googleonlinesecurity.blogspot.kr/2016/02/cve-2015-7547-glibc-getaddrinfo-stack.html - https://github.com/fjserna/CVE-2015-7547 - CVE-2015-754...

glibc - getaddrinfo Remote Stack Buffer Overflow

glibc - getaddrinfo Remote Stack Buffer Overflow / add by SpeeDr00t@Blackfalcon jang kyoung chip This is a published vulnerability by google in the past. Please refer to the link below. Reference: - https://googleonlinesecurity.blogspot.kr/2016/02/cve-2015-7547-glibc-getaddrinfo-stack.html -...

glibc - 'getaddrinfo' Remote Stack Buffer Overflow

/ add by SpeeDr00t@Blackfalcon jang kyoung chip This is a published vulnerability by google in the past. Please refer to the link below. Reference: - https://googleonlinesecurity.blogspot.kr/2016/02/cve-2015-7547-glibc-getaddrinfo-stack.html - https://github.com/fjserna/CVE-2015-7547 -...

SUSE SLED12 / SLES12 Security Update : glibc (SUSE-SU-2016:1733-1)

This update for glibc provides the following fixes : - Increase DTVSURPLUS limit. bsc968787 - Do not copy dname field of struct dirent. CVE-2016-1234, bsc969727 - Fix memory leak in nssdnsgethostbyname4r. bsc973010 - Fix stack overflow in nssdnsgetnetbynamer. CVE-2016-3075, bsc973164 - Fix malloc...

SUSE SLED12 / SLES12 Security Update : glibc (SUSE-SU-2016:1721-1)

This update for glibc provides the following fixes : - Increase DTVSURPLUS limit. bsc968787 - Do not copy dname field of struct dirent. CVE-2016-1234, bsc969727 - Fix memory leak in nssdnsgethostbyname4r. bsc973010 - Fix stack overflow in nssdnsgetnetbynamer. CVE-2016-3075, bsc973164 - Fix malloc...

openSUSE Security Update : glibc (openSUSE-2016-852)

This update for glibc provides the following fixes : - Increase DTVSURPLUS limit. bsc968787 - Do not copy dname field of struct dirent. CVE-2016-1234, bsc969727 - Fix memory leak in nssdnsgethostbyname4r. bsc973010 - Fix stack overflow in nssdnsgetnetbynamer. CVE-2016-3075, bsc973164 - Fix malloc...

GNU C Library getaddrinfo function stack buffer overflow vulnerability

glibc is the libc library, or c runtime library, released by GNU. A stack buffer overflow vulnerability exists in the GNU C Library glibc or libc6 sysdeps/posix/getaddrinfo.c/getaddrinfo function. A remote attacker can cause a denial of service via hostent conversion...

CVE-2016-3706

Stack-based buffer overflow in the getaddrinfo function in sysdeps/posix/getaddrinfo.c in the GNU C Library aka glibc or libc6 allows remote attackers to cause a denial of service crash via vectors involving hostent conversion. NOTE: this vulnerability exists because of an incomplete fix for...

DEBIAN-CVE-2016-3706

Stack-based buffer overflow in the getaddrinfo function in sysdeps/posix/getaddrinfo.c in the GNU C Library aka glibc or libc6 allows remote attackers to cause a denial of service crash via vectors involving hostent conversion. NOTE: this vulnerability exists because of an incomplete fix for...

Stack overflow

Stack-based buffer overflow in the getaddrinfo function in sysdeps/posix/getaddrinfo.c in the GNU C Library aka glibc or libc6 allows remote attackers to cause a denial of service crash via vectors involving hostent conversion. NOTE: this vulnerability exists because of an incomplete fix for...

CVE-2016-3706

Stack-based buffer overflow in the getaddrinfo function in sysdeps/posix/getaddrinfo.c in the GNU C Library aka glibc or libc6 allows remote attackers to cause a denial of service crash via vectors involving hostent conversion. NOTE: this vulnerability exists because of an incomplete fix for...

CVE-2016-3706

CVE-2016-3706 is a glibc (GNU C Library) vulnerability: a stack-based buffer overflow in sysdeps/posix/getaddrinfo.c:getaddrinfo can be triggered by hostent conversion and allows remote attackers to cause a denial of service (crash). The entry notes this issue stems from an incomplete fix for CVE...

UBUNTU-CVE-2016-3706

Stack-based buffer overflow in the getaddrinfo function in sysdeps/posix/getaddrinfo.c in the GNU C Library aka glibc or libc6 allows remote attackers to cause a denial of service crash via vectors involving hostent conversion. NOTE: this vulnerability exists because of an incomplete fix for...

glibc: getaddrinfo() writes DNS queries to random file descriptors under high load

It was discovered that, under certain circumstances, glibc's getaddrinfo function would send DNS queries to random file descriptors. An attacker could potentially use this flaw to send DNS queries to unintended recipients, resulting in information disclosure or data loss due to the application...

Debian DLA-494-1 : eglibc security update

Several vulnerabilities have been fixed in the Debian GNU C Library, eglibc : CVE-2016-1234 Alexander Cherepanov discovered that the glibc's glob implementation suffered from a stack-based buffer overflow when it was called with the GLOBALTDIRFUNC flag and encountered a long file name...

Updated glibc packages fix security vulnerabilities

Updated glibc packages fix security vulnerabilities: It was found that glob implementation in glibc does not correctly handle overlong names in struct dirent buffers when GLOBALTDIRFUNC is used, causing large stack-based buffer overflow with controlled length and content CVE-2016-1234. A stack...

lib32-glibc: multiple issues

CVE-2016-1234 arbitrary code execution It was found that glob implementation in glibc does not correctly handle overlong names in struct dirent buffers when GLOBALTDIRFUNC is used, causing a large stack-based buffer overflow with controlled length and content. - CVE-2016-3706 denial of service A...