RHSA-2004_429
Vulnerability from csaf_redhat - Published: 2004-08-18 15:19 - Updated: 2024-11-21 23:08Summary
Red Hat Security Advisory: Netscape security update
Severity
Critical
Notes
Topic: Netscape Navigator and Netscape Communicator 4.8 as distributed with Red
Hat Enterprise Linux 2.1 contain security flaws and should not be used.
Details: Netscape Navigator and Netscape Communicator have been removed from the Red
Hat Enterprise Linux 2.1 CD-ROM distribution as part of Update 5. These
packages were based on Netscape 4.8, which is known to be vulnerable to
recent critical security issues, such as CAN-2004-0597, CAN-2004-0598, and
CAN-2004-0599.
Netscape 7.2 contains fixes for these issues and is available from
http://www.netscape.com/. Netscape 4.8 packages will also remain available
via Red Hat Network for those who choose to use them despite their known
security vulnerabilities.
Users of Netscape 4.8 are advised to switch to Mozilla, which is included
and supported in Red Hat Enterprise Linux 2.1, and offers comparable
functionality.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
Multiple buffer overflows in libpng 1.2.5 and earlier, as used in multiple products, allow remote attackers to execute arbitrary code via malformed PNG images in which (1) the png_handle_tRNS function does not properly validate the length of transparency chunk (tRNS) data, or the (2) png_handle_sBIT or (3) png_handle_hIST functions do not perform sufficient bounds checking.
Vendor Fix
Red Hat Enterprise 2.1 users who do not need the functionality of Netscape
4.8 should uninstall the netscape packages.
https://access.redhat.com/errata/RHSA-2004:429
The png_handle_iCCP function in libpng 1.2.5 and earlier allows remote attackers to cause a denial of service (application crash) via a certain PNG image that triggers a null dereference.
Vendor Fix
Red Hat Enterprise 2.1 users who do not need the functionality of Netscape
4.8 should uninstall the netscape packages.
https://access.redhat.com/errata/RHSA-2004:429
Multiple integer overflows in the (1) png_read_png in pngread.c or (2) png_handle_sPLT functions in pngrutil.c or (3) progressive display image reading capability in libpng 1.2.5 and earlier allow remote attackers to cause a denial of service (application crash) via a malformed PNG image.
Vendor Fix
Red Hat Enterprise 2.1 users who do not need the functionality of Netscape
4.8 should uninstall the netscape packages.
https://access.redhat.com/errata/RHSA-2004:429
References
Acknowledgments
Chris Evans
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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