U radu programskog paketa thunderbird-lightning uočen je sigurnosni propust kojeg napadač može iskoristiti za napad ubacivanjem posrednika i otkrivanje osjetljivih informacija.
Paket:
thunderbird-lightning 1.x
Operacijski sustavi:
Fedora 15
Kritičnost:
3.2
Problem:
neodgovarajuće rukovanje datotekama
Iskorištavanje:
udaljeno
Posljedica:
otkrivanje osjetljivih informacija
Rješenje:
programska zakrpa proizvođača
CVE:
CVE-2011-3389
Izvorni ID preporuke:
FEDORA-2011-17399
Izvor:
Fedora
Problem:
Nedostatak nastaje prilikom odabira inicijalizacijskih vektora korištenih sa skupom kriptografskih algoritama u CBC modu.
Posljedica:
Udaljeni napadač može iskoristiti navedenu ranjivost za napad ubacivanjem posrednika (eng. Man in the Middle, MITM) i otkrivanje osjetljivih informacija.
Rješenje:
Rješenje problema sigurnosti je korištenje dostupne nadogradnje.
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Fedora Update Notification
FEDORA-2011-17399
2011-12-23 03:10:48
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Name : thunderbird-lightning
Product : Fedora 15
Version : 1.1
Release : 0.1.rc1.fc15
URL : http://www.mozilla.org/projects/calendar/lightning/
Summary : The calendar extension to Thunderbird
Description :
Lightning brings the Sunbird calendar to the popular email client,
Mozilla Thunderbird. Since it's an extension, Lightning is tightly
integrated with Thunderbird, allowing it to easily perform email-related
calendaring tasks.
--------------------------------------------------------------------------------
Update Information:
The latest version of Firefox and Thunderbird have the following changes:
* Added Type Inference, significantly improving JavaScript performance
* Added support for querying Do Not Track status via JavaScript
* Added support for font-stretch
* Improved support for text-overflow
* Improved standards support for HTML5, MathML, and CSS
* Fixed several stability issues
* Fixed several security issues
Notable nss changes include:
1. SSL 2.0 is disabled by default.
2. A defense against the SSL 3.0 and TLS 1.0 CBC chosen plaintext attack
demonstrated by Rizzo and Duong (CVE-2011-3389) is enabled by default.
Set the SSL_CBC_RANDOM_IV SSL option to PR_FALSE to disable it.
3. SHA-224 is supported.
4. Added PORT_ErrorToString and PORT_ErrorToName to return the
error message and symbolic name of an NSS error code.
5. Added NSS_GetVersion to return the NSS version string.
6. Added experimental support of RSA-PSS to the softoken only
(contributed by Hanno BÄ
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