CVE-2018-6551

CVE-2018-6551 concerns the GNU C Library (glibc) malloc implementation with arguments near SIZE_MAX, causing heap corruption due to an integer overflow. Affected are glibc versions 2.24–2.26 on powerpc and 2.26 on i386. IBM advisories (IMM2, DSA Preboot, AMM) reference CVE-2018-6551 and describe ...

CVE-2018-6551

The malloc implementation in the GNU C Library aka glibc or libc6, from version 2.24 to 2.26 on powerpc, and only in version 2.26 on i386, did not properly handle malloc calls with arguments close to SIZEMAX and could return a pointer to a heap region that is smaller than requested, eventually...

CVE-2018-6551

The malloc implementation in the GNU C Library aka glibc or libc6, from version 2.24 to 2.26 on powerpc, and only in version 2.26 on i386, did not properly handle malloc calls with arguments close to SIZEMAX and could return a pointer to a heap region that is smaller than requested, eventually...

CVE-2018-6551

The malloc implementation in the GNU C Library aka glibc or libc6, from version 2.24 to 2.26 on powerpc, and only in version 2.26 on i386, did not properly handle malloc calls with arguments close to SIZEMAX and could return a pointer to a heap region that is smaller than requested, eventually...

Integer overflow

In GNU Binutils 2.30, there's an integer overflow in the function loadspecificdebugsection in objdump.c, which results in malloc with 0 size. A crafted ELF file allows remote attackers to cause a denial of service application crash or possibly have unspecified other impact...

CVE-2018-6543

In GNU Binutils 2.30, there's an integer overflow in the function loadspecificdebugsection in objdump.c, which results in malloc with 0 size. A crafted ELF file allows remote attackers to cause a denial of service application crash or possibly have unspecified other impact...

ALPINE-CVE-2018-6543

In GNU Binutils 2.30, there's an integer overflow in the function loadspecificdebugsection in objdump.c, which results in malloc with 0 size. A crafted ELF file allows remote attackers to cause a denial of service application crash or possibly have unspecified other impact...

DEBIAN-CVE-2018-6543

In GNU Binutils 2.30, there's an integer overflow in the function loadspecificdebugsection in objdump.c, which results in malloc with 0 size. A crafted ELF file allows remote attackers to cause a denial of service application crash or possibly have unspecified other impact...

CVE-2018-6543

In GNU Binutils 2.30, there's an integer overflow in the function loadspecificdebugsection in objdump.c, which results in malloc with 0 size. A crafted ELF file allows remote attackers to cause a denial of service application crash or possibly have unspecified other impact...

CVE-2018-6543: Integer Overflow or Wraparound

In GNU Binutils 2.30, there's an integer overflow in the function loadspecificdebugsection in objdump.c, which results in malloc with 0 size. A crafted ELF file allows remote attackers to cause a denial of service application crash or possibly have unspecified other impact...

Ubuntu 14.04 LTS / 16.04 LTS : GNU C Library vulnerabilities (USN-3534-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3534-1 advisory. It was discovered that the GNU C library did not properly handle all of the possible return values from the kernel getcwd2 syscall. A local...

Linux/x86-64 - sys_access() Egghunter Shellcode (49 bytes)

; Author Doreth.Z10 ; ; Linux x8664 Egghunter using sysaccess ; Shellcode size 49 bytes ; global start section .text start: xor rsi, rsi ; Some prep junk. push rsi pop rdx push 8 pop rbx goendofpage: or dx, 0xfff ; We align with a page size of 0x1000 nextbyte: inc rdx ; next byte offset push 21 p...

Fedora 27 : glibc (2017-fb5e227432)

This update fixes minor security bugs CVE-2017-17426, CVE-2017-15804, contains single-threaded optimizations for malloc, and increases compatibility with IBM POWER 9 hardware. Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system...

Updated curl packages fix security vulnerability

If cookie state is written into a cookie jar file that is later read back and used for subsequent requests, a malicious HTTP server can inject new cookies for arbitrary domains into said cookie jar. The issue pertains to the function that loads cookies into memory, which reads the specified file...

PT-2018-1052

Name of the Vulnerable Software and Affected Versions glibc versions 2.24 through 2.26 Description The issue is related to the malloc implementation in the GNU C Library, which can lead to heap corruption due to improper handling of malloc calls with large arguments. This can cause a denial of...

CVE-2017-17426

The malloc function in the GNU C Library aka glibc or libc6 2.26 could return a memory block that is too small if an attempt is made to allocate an object whose size is close to SIZEMAX, potentially leading to a subsequent heap overflow. This occurs because the per-thread cache aka tcache feature...

GNU C Library integer overflow vulnerability (CNVD-2018-00256)

The GNU C Library a.k.a. glibc, libc6 is an open-source, free C language compiler released under the LGPL license. An integer overflow vulnerability exists in the 'malloc' function in version 2.26 of the GNU C Library, which stems from the program returning a small block of memory. No information...

Integer overflow

The malloc function in the GNU C Library aka glibc or libc6 2.26 could return a memory block that is too small if an attempt is made to allocate an object whose size is close to SIZEMAX, potentially leading to a subsequent heap overflow. This occurs because the per-thread cache aka tcache feature...

CVE-2017-17426

The malloc function in the GNU C Library aka glibc or libc6 2.26 could return a memory block that is too small if an attempt is made to allocate an object whose size is close to SIZEMAX, potentially leading to a subsequent heap overflow. This occurs because the per-thread cache aka tcache feature...

CVE-2017-17426

CVE-2017-17426 affects the GNU C Library (glibc/libc6) up to version 2.26. The heap overflow arises from an integer overflow check missing in the per-thread cache (tcache) path when allocating an object near SIZE_MAX, potentially allowing code execution. Exploitation details are not provided in t...