Skip to main content

Questions tagged [glibc]

The GNU C Library (glibc) is the GNU Project's implementation of the C standard library.

Filter by
Sorted by
Tagged with
61 votes
4 answers

GHOST bug: is there a simple way to test if my system is secure?

GHOST (CVE-2015-0235) just popped up. How can I quickly check if a system of mine is secure? Ideally with a one line shell command. According to the ZDNet article "you should then reboot the system". ...
the's user avatar
  • 1,841
1 vote
2 answers

glibc getaddrinfo (CVE-2015-7547) vulnerability: should I update glibc if I do not configure DNS?

Recently Googly discover glibc getaddrinfo (CVE-2015-7547) vulnerability: We run our application on ...
Michael's user avatar
  • 1,469
10 votes
2 answers

Why must a ret2libc attack follow the order "system(),exit(),command?

In a ret2libc attack, I understand that the return address can be overwritten with the address of the system command, which takes a command string as an argument. In this case, shouldn't the address ...
Lew Wei Hao's user avatar
10 votes
1 answer

Is Java vulnerable to glibc GHOST Vulnerability in Linux?

I see on our RedHat Linux platform that "java" process has dependency over glibc library: [root@hpproliant1 ~]# ldd /usr/bin/java => (0xffffe000) => /lib/...
Mert Z.'s user avatar
  • 201
6 votes
2 answers

return to libc- finding libc's address and finding offsets

So I tried performing a return-to-libc according to . I found libc's address by using "ldd vuln", and found system's ...
Jonathan's user avatar