CVE-2008-3655
HIGH severity · CVSS 7.5 · CWE-264
7.5CVSS HIGH
Summary
Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 does not properly restrict access to critical variables and methods at various safe levels, which allows context-dependent attackers to bypass intended access restrictions via (1) untrace_var, (2) $PROGRAM_NAME, and (3) syslog at safe level 4, and (4) insecure methods at safe levels 1 through 3.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impact—
Integrity impact—
Availability impact—
Exploit probability (EPSS)48%
AV:N/AC:L/Au:N/C:P/I:P/A:P
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://secunia.com/advisories/31430Advisory
- http://secunia.com/advisories/31697Advisory
- http://secunia.com/advisories/32165Advisory
- http://secunia.com/advisories/32219Advisory
- http://secunia.com/advisories/32255Advisory
- http://secunia.com/advisories/32256Advisory
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=494401
- http://lists.apple.com/archives/security-announce/2009/May/msg00002.html