Glibc gethostbyname
WebFeb 17, 2014 · Basically, underneath getaddrinfo/gethostbyname is glibc's NSS layer. This allows a sysadmin to say "use DNS for resolving hostnames to IP addresses", or "use … WebJan 27, 2015 · This module remotely exploits CVE-2015-0235, aka GHOST, a heap-based buffer overflow in the GNU C Library's gethostbyname functions on x86 and x86_64 …
Glibc gethostbyname
Did you know?
WebWhat is "GHOST" This is a heap based buffer overflow found in GNU C Library's g et* host *byname functions since glibc-2.2 (November 10, 2000), which is part of the Linux … Webgethostname() returns the null-terminated hostname in the character array name, which has a length of lenbytes. If the null-terminated hostname is too large to fit, then the name is truncated, and no error is returned (but see NOTES below). POSIX.1 says that if such truncation occurs, then it is
WebThese system calls are used to access or to change the hostname of the current processor. sethostname () sets the hostname to the value given in the character array name. The len argument specifies the number of bytes in name. (Thus, name does not require a terminating null byte.) gethostname () returns the null-terminated hostname in the ... WebLearn about our open source products, services, and company. Get product support and knowledge from the open source experts. Read developer tutorials and download Red Hat software for cloud application development. Become a Red Hat partner and get support in building customer solutions.
Webglibc2 also has a gethostbyname2() that works like gethostbyname(), but permits to specify the address family to which the address must belong. glibc2 also has reentrant versions … WebOct 9, 2015 · K16057: GHOST: glibc gethostbyname buffer overflow vulnerability CVE-2015-0235. Download Article; Bookmark Article; Show social share buttons. Published Date: Oct 9, 2015 Updated Date: Feb 21, 2024. Toggle showing the products this article Evaluated products: Security Advisory Description.
WebMar 18, 2015 · ----- SERVER-SIDE REQUIREMENTS (Exim) ----- The remote system must use a vulnerable version of the GNU C Library: the first exploitable version is glibc-2.6, the last exploitable version is glibc-2.17; older versions might be exploitable too, but this module depends on the newer versions' fd_nextsize (a member of the malloc_chunk structure) to ...
WebFeb 25, 2014 · gethostbyname () returns a pointer to a struct, and this struct may be overwritten by later calls. If you have multiple threads calling gethostbyname, the struct in one thread may be overwritten by another thread. It is not safe to call this function multiple times in different threads, so it is not thread safe. – Sjoerd Feb 25, 2014 at 14:03 2 how many moles of nickel are in 17.7g of niWebJan 27, 2015 · --[ 3 - Mitigating factors ]----- The impact of this bug is reduced significantly by the following reasons: - A patch already exists (since May 21, 2013), and has been applied and tested since glibc-2.18, released on August 12, 2013: - The gethostbyname*() functions are obsolete; with the advent of IPv6, recent applications use getaddrinfo ... how many moles of nitrogen gas reactWebMar 24, 2015 · 'Name' => 'Exim GHOST (glibc gethostbyname) Buffer Overflow', 'Description' => %q(This module remotely exploits CVE-2015-0235 (a.k.a. GHOST, a heap-based buffer overflow in the GNU C Library's gethostbyname functions) on x86 and x86_64 GNU/Linux systems that run the Exim mail server. For additional information, please … how many moles of o2 are in 1.250 g of oxygenWebJan 27, 2015 · GHOST is a ‘buffer overflow’ bug affecting the gethostbyname() and gethostbyname2() function calls in the glibc library. This vulnerability allows a remote … how axolotls are bornWebFeb 2, 2015 · GHOST is a ‘buffer overflow’ bug affecting the gethostbyname () and gethostbyname2 () function calls in the glibc library. If a remote attacker can make an application call to gethostbyname () or gethostbyname2 (), this vulnerability allows the remote attacker to execute arbitrary code with the permissions of the user running the … how aws redshift worksWebAug 10, 2024 · Если просмотреть man getent, то можно увидеть, что команда getent ahosts использует системный вызов getaddrinfo для нахождения IP-адреса узла, а getent hosts использует устаревшие, но всё ещё используемые gethostbyname ... howay2000nis v2WebMar 24, 2015 · Exim GHOST (glibc gethostbyname) Buffer Overflow. This Metasploit module remotely exploits CVE-2015-0235 (a.k.a. GHOST, a heap-based buffer overflow … how axolotls die