LinuxSecurity Contributor - Anthony Pell
Anthony Pell
Anthony Pell is an experienced Linux admin with decades of experience managing Linux systems. He is also an experienced pentester and ethical hacker who enjoys finding and fixing vulnerabilities in open-source software. Anthony loves writing about Linux security-related topics and has contributed content to LinuxSecurity.com for many years.
Education: Pentest Penguin Polytechnic: "Keep Calm and sudo On"
Experience: Experienced Linux Sysadmin, Pentester & Ethical Hacker
Citizenship: USA
Articles From Anthony Pell
2 - 3 min read
FreeBSD-SA-98:06:smurf attack
10 June 1998
As can be read in CERT advisory CA-98.01.smurf, there exists a denial of service attack called "
FreeBSD
2 - 3 min read
OpenBSD 2.3: Problems with kill(2) system call to setuid or setgid processes
07 June 1998
The kill(2) system call previously would permit a large set of signals to be delivered to setuid or
OpenBSD
2 - 3 min read
FreeBSD-SA-98:05:system crash with NFS
04 June 1998
When creating hard links on file systems, the kernel checks that both the original file and the
FreeBSD
3 - 4 min read
FreeBSD-SA-98:04:security compromise via mmap
02 June 1998
It is possible for a process to open an append-only file according to the limitations of the fla
FreeBSD
1 - 2 min read
OpenBSD 2.3: Vulnerabilities found in the X11, Xt, Xaw and Xmu librabries
23 May 1998
Vulnerabilities have been found in the X11, Xt, Xaw and Xmu libraries. These affect xterm and all ot
OpenBSD
2 - 3 min read
FreeBSD-SA-98:03:Problems with TTCP
14 May 1998
An accelerated open is initiated by a client by sending a new TCP option, called CC, to the serv
FreeBSD
1 - 2 min read
OpenBSD 2.3: Problem with securelevels & immutable or append-only files or character devices
11 May 1998
A possible new security problem exists if you rely on securelevels and immutable or append-only file
OpenBSD
1 - 3 min read
OpenBSD 2.2: Problem with IPSEC communication
05 May 1998
If IPSEC communication is attempted by starting photurisd(8) (which is disabled by default), a syste
OpenBSD
1 - 3 min read
OpenBSD 2.3: Vulnerabilities in IPSEC communication when starting photurished(8)
05 May 1998
If IPSEC communication is attempted by starting photurisd(8) (which is disabled by default), a syste
OpenBSD
4 - 6 min read
OpenBSD 2.2: Buffer overrun problems in xterm
03 May 1998
As stated in CERT advisory VB-98.04, there are buffer overrun problems in xterm related to the input
OpenBSD
17 - 23 min read
OpenBSD 2.3: Buffer overrun problems in xterm
29 April 1998
As stated in CERT advisory VB-98.04, there are buffer overrun problems in xterm related to the input
OpenBSD
1 - 2 min read
OpenBSD 2.3: CD missing two fixes (powerpc)
22 April 1998
The powerpc release shipped on the OpenBSD 2.3 CD does not contain two late fixes applied late in th
OpenBSD