Description
The CheckLoadURI function in Mozilla Firefox 1.8 lists the about: URI as a ChromeProtocol and can be loaded via JavaScript, which allows remote attackers to obtain sensitive information by querying the browser's session history.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 5.0 | iceape | 1.0.10~pre070720-0etch1+lenny1 | DTSA-47-1 |
| Debian 5.0 | iceweasel | 2.0.0.5-0etch1+lenny1 | DTSA-45-1 |
| Debian 5.0 | xulrunner | 1.8.0.13~pre070720-0etch3+lenny1 | DTSA-51-1 |
| Debian 4.0 | iceape | 1.0.9-0etch1 | DSA-1300-1 |
| Debian 4.0 | iceweasel | 2.0.0.4-0etch1 | DSA-1308-1 |
| Debian 4.0 | xulrunner | 1.8.0.12-0etch1 | DSA-1306-1 |
Advisories 6
- DTSA-51-1 xulrunner - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-1300-1 iceape Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-1306-1 xulrunner Debian Security (DSA / DLA) · Mar 9, 2026
- DTSA-47-1 iceape - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-1308-1 iceweasel - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
- DTSA-45-1 iceweasel - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
References
- 20070223 Firefox Cache Hack - Firefox History Hack redux mailing-list
- 20070223 Re: [Full-disclosure] Firefox Cache Hack - Firefox History Hack redux mailing-list
- 33804 vdb-entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=371375
- http://www.gnucitizen.org/projects/hscan-redux/
- 2309 third-party-advisory