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

Pebble vulnerable to HTTP header injection


Pebble contains an HTTP header injection vulnerability.

Products Affected

  • Pebble versions prior to 2.6.4


Pebble is an open source weblog system. Pebble contains an HTTP header injection vulnerability.


Forged information may be displayed on the user's web browser, arbitrary scripts may be executed or arbitrary values may be set for cookies.


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 user must be convinced to take a standard action that does not feel harmful to most users, such as click on a link or view a file
  • Mid
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-2012-4023
JVN iPedia JVNDB-2012-000099