glibc - getaddrinfo Stack Based Buffer Overflow (1)

Exploit for linux platform in category dos / poc Sources: https://googleonlinesecurity.blogspot.sg/2016/02/cve-2015-7547-glibc-getaddrinfo-stack.html https://github.com/fjserna/CVE-2015-7547 Technical information: glibc reserves 2048 bytes in the stack through alloca for the DNS answer at...

Security fix for the ALT Linux 6 package glibc version 6:2.11.3-alt8.M60P.5

6:2.11.3-alt8.M60P.5 built Feb. 16, 2016 Gleb Fotengauer-Malinovskiy in task 159434 Feb. 16, 2016 Gleb Fotengauer-Malinovskiy - Fixed CVE-2015-7547...

Security Advisory 0017

Security Advisory 0017 PDF Date: October 31st, 2017 Version: 1.6 Revision | Date | Changes ---|---|--- 1.0 | February 16th, 2016 | Initial release 1.1 | February 19th, 2016 | Updates include assessment and mitigation 1.2 | February 25th, 2016 | Updates include options for mitigation and protectio...

glibc security update

2.12-1.166.7 - Update fix for CVE-2015-7547 1296028. 2.12-1.166.6 - Create helper threads with enough stack for POSIX AIO and timers 1301625. 2.12-1.166.5 - Fix CVE-2015-7547: getaddrinfo stack-based buffer overflow 1296028. 2.12-1.166.4 - Support loading more libraries with static TLS 1291270...

glibc -- getaddrinfo stack-based buffer overflow

Fabio Olive Leite reports: A stack-based buffer overflow was found in libresolv when invoked from nssdns, allowing specially crafted DNS responses to seize control of EIP in the DNS client. The buffer overflow occurs in the functions senddg send datagram and sendvc send TCP for the NSS module...

Debian: Security Advisory (DSA-3481-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2016 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

GNU glibc Stack Buffer Overflow Vulnerability

GNU glibc is an open source, free C compiler released under the LGPL license. A stack buffer overflow vulnerability exists in GNU glibc that could be exploited by an attacker to crash an application or execute arbitrary code...

RHEL 7 : glibc (RHSA-2015:2589)

Updated glibc packages that fix multiple security issues are now available for Red Hat Enterprise Linux 7.1 Extended Update Support. Red Hat Product Security has rated this update as having Important security impact. Common Vulnerability Scoring System CVSS base scores, which give detailed severi...

glibc catopen() Unbounded Stack Allocations

glibc catopen Multiple unbounded stack allocations URL: https://cxsecurity.com/issue/WLB-2016010149 --------------------------------------- PoC: include include include int main char buff; buff=malloc11111111; memsetbuff,'A',11111110; buff11111110='\0'; catopenbuff, NLCATLOCALE; return 0;...

GNU C Library Security Mechanism Bypass Vulnerability

glibc is the libc library, or c runtime library, released by GNU. A security vulnerability exists in the function processenvvars within elf/rtld.c of the GNU C Library, where a local attacker can bypass the pointer guard protection mechanism by using a zero value within the LDPOINTERGUARD...

CVE-2015-8777

The processenvvars function in elf/rtld.c in the GNU C Library aka glibc or libc6 before 2.23 allows local users to bypass a pointer-guarding protection mechanism via a zero value of the LDPOINTERGUARD environment variable...

Null pointer dereference

The processenvvars function in elf/rtld.c in the GNU C Library aka glibc or libc6 before 2.23 allows local users to bypass a pointer-guarding protection mechanism via a zero value of the LDPOINTERGUARD environment variable...

CVE-2015-8777

The processenvvars function in elf/rtld.c in the GNU C Library aka glibc or libc6 before 2.23 allows local users to bypass a pointer-guarding protection mechanism via a zero value of the LDPOINTERGUARD environment variable...

CVE-2015-8777

CVE-2015-8777 is a local, environment-variable–driven bypass of the glibc pointer-guarding mechanism. The flaw exists in the GNU C Library (glibc) prior to version 2.23, where the LD_POINTER_GUARD environment variable was not ignored for privileged executions, allowing a local attacker to bypass ...

CVE-2015-8777

The processenvvars function in elf/rtld.c in the GNU C Library aka glibc or libc6 before 2.23 allows local users to bypass a pointer-guarding protection mechanism via a zero value of the LDPOINTERGUARD environment variable...

DLA-384-1 inspircd - security update

Bulletin has no description...

CVE-2015-8982

Integer overflow in the strxfrm function in the GNU C Library aka glibc or libc6 before 2.21 allows context-dependent attackers to cause a denial of service crash or possibly execute arbitrary code via a long string, which triggers a stack-based buffer overflow...

CVE-2015-8984

The fnmatch function in the GNU C Library aka glibc or libc6 before 2.22 might allow context-dependent attackers to cause a denial of service application crash via a malformed pattern, which triggers an out-of-bounds read...

UBUNTU-CVE-2015-8983

Integer overflow in the IOwstroverflow function in libio/wstrops.c in the GNU C Library aka glibc or libc6 before 2.22 allows context-dependent attackers to cause a denial of service application crash or possibly execute arbitrary code via vectors related to computing a size in bytes, which...

openSUSE Security Update : glibc (openSUSE-2015-944)

glibc was updated to fix one minor security issue and two bugs. The following vulnerability was fixed : - boo950944: pointer guarding weakness The following bugs were fixed : - boo955644: resource leak in resolver - boo936251: bits/time.h misses CLOCKTAI that is present in linux/time.h...