Published:2012/11/02  Last Updated:2012/11/02

Pebble vulnerability where entries may become unviewable


Pebble contains a vulnerability where blog entries may become unviewable due to a specially crafted comment being posted.

Products Affected

  • Pebble versions prior to 2.6.4


Pebble is an open source weblog system. Pebble contains an issue in the processing of comments that are posted on blog entries, which may lead to a vulnerability where blog entries may become unviewable.


A specially crafted comment being posted may cause an arbitrary blog entry to become unviewable.


Update the software
Update to the latest version according to the information provided by the developer.

Vendor Status

Vendor Link
Pebble Pebble - Overview


JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2012.11.02

Measures Conditions Severity
Access Required can be attacked over the Internet using packets
  • High
Authentication anonymous or no authentication (IP addresses do not count)
  • High
User Interaction Required the vulnerability can be exploited without an honest user taking any action
  • High
Exploit Complexity some expertise and/or luck required (most buffer overflows, guessing correctly in small space, expertise in Windows function calls)
  • Mid-High

Description of each analysis measures


Takahisa Kishiya reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

Other Information

JPCERT Reports
CERT Advisory
CPNI Advisory
CVE CVE-2012-4022
JVN iPedia JVNDB-2012-000098