RHSA-2020:3377 - Security Advisory

Topic

An update for chromium-browser is now available for Red Hat Enterprise Linux 6 Supplementary.

Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

Chromium is an open-source web browser, powered by WebKit (Blink).

This update upgrades Chromium to version 84.0.4147.105.

Security Fix(es):

• chromium-browser: Heap buffer overflow in background fetch (CVE-2020-6510)
• chromium-browser: Side-channel information leakage in content security policy (CVE-2020-6511)
• chromium-browser: Type Confusion in V8 (CVE-2020-6512)
• chromium-browser: Heap buffer overflow in PDFium (CVE-2020-6513)
• chromium-browser: Inappropriate implementation in WebRTC (CVE-2020-6514)
• chromium-browser: Use after free in tab strip (CVE-2020-6515)
• chromium-browser: Policy bypass in CORS (CVE-2020-6516)
• chromium-browser: Heap buffer overflow in history (CVE-2020-6517)
• chromium-browser: Use after free in SCTP (CVE-2020-6532)
• chromium-browser: Type Confusion in V8 (CVE-2020-6537)
• chromium-browser: Inappropriate implementation in WebView (CVE-2020-6538)
• chromium-browser: Use after free in CSS (CVE-2020-6539)
• chromium-browser: Heap buffer overflow in Skia (CVE-2020-6540)
• chromium-browser: Use after free in WebUSB (CVE-2020-6541)
• chromium-browser: Use after free in developer tools (CVE-2020-6518)
• chromium-browser: Policy bypass in CSP (CVE-2020-6519)
• chromium-browser: Heap buffer overflow in Skia (CVE-2020-6520)
• chromium-browser: Side-channel information leakage in autofill (CVE-2020-6521)
• chromium-browser: Inappropriate implementation in external protocol handlers (CVE-2020-6522)
• chromium-browser: Out of bounds write in Skia (CVE-2020-6523)
• chromium-browser: Heap buffer overflow in WebAudio (CVE-2020-6524)
• chromium-browser: Heap buffer overflow in Skia (CVE-2020-6525)
• chromium-browser: Inappropriate implementation in iframe sandbox (CVE-2020-6526)
• chromium-browser: Insufficient policy enforcement in CSP (CVE-2020-6527)
• chromium-browser: Incorrect security UI in basic auth (CVE-2020-6528)
• chromium-browser: Inappropriate implementation in WebRTC (CVE-2020-6529)
• chromium-browser: Out of bounds memory access in developer tools (CVE-2020-6530)
• chromium-browser: Side-channel information leakage in scroll to text (CVE-2020-6531)
• chromium-browser: Type Confusion in V8 (CVE-2020-6533)
• chromium-browser: Heap buffer overflow in WebRTC (CVE-2020-6534)
• chromium-browser: Insufficient data validation in WebUI (CVE-2020-6535)
• chromium-browser: Incorrect security UI in PWAs (CVE-2020-6536)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

After installing the update, Chromium must be restarted for the changes to take effect.

Affected Products

• Red Hat Enterprise Linux Server 6 x86_64
• Red Hat Enterprise Linux Server 6 i386
• Red Hat Enterprise Linux Workstation 6 x86_64
• Red Hat Enterprise Linux Workstation 6 i386
• Red Hat Enterprise Linux Desktop 6 x86_64
• Red Hat Enterprise Linux Desktop 6 i386
• Red Hat Enterprise Linux for Scientific Computing 6 x86_64

Fixes

• BZ - 1857320 - CVE-2020-6511 chromium-browser: Side-channel information leakage in content security policy
• BZ - 1857321 - CVE-2020-6512 chromium-browser: Type Confusion in V8
• BZ - 1857322 - CVE-2020-6513 chromium-browser: Heap buffer overflow in PDFium
• BZ - 1857323 - CVE-2020-6515 chromium-browser: Use after free in tab strip
• BZ - 1857324 - CVE-2020-6516 chromium-browser: Policy bypass in CORS
• BZ - 1857325 - CVE-2020-6518 chromium-browser: Use after free in developer tools
• BZ - 1857326 - CVE-2020-6519 chromium-browser: Policy bypass in CSP
• BZ - 1857327 - CVE-2020-6520 chromium-browser: Heap buffer overflow in Skia
• BZ - 1857328 - CVE-2020-6521 chromium-browser: Side-channel information leakage in autofill
• BZ - 1857329 - CVE-2020-6523 chromium-browser: Out of bounds write in Skia
• BZ - 1857330 - CVE-2020-6524 chromium-browser: Heap buffer overflow in WebAudio
• BZ - 1857331 - CVE-2020-6525 chromium-browser: Heap buffer overflow in Skia
• BZ - 1857332 - CVE-2020-6526 chromium-browser: Inappropriate implementation in iframe sandbox
• BZ - 1857333 - CVE-2020-6527 chromium-browser: Insufficient policy enforcement in CSP
• BZ - 1857334 - CVE-2020-6528 chromium-browser: Incorrect security UI in basic auth
• BZ - 1857336 - CVE-2020-6529 chromium-browser: Inappropriate implementation in WebRTC
• BZ - 1857337 - CVE-2020-6530 chromium-browser: Out of bounds memory access in developer tools
• BZ - 1857338 - CVE-2020-6531 chromium-browser: Side-channel information leakage in scroll to text
• BZ - 1857339 - CVE-2020-6533 chromium-browser: Type Confusion in V8
• BZ - 1857340 - CVE-2020-6534 chromium-browser: Heap buffer overflow in WebRTC
• BZ - 1857341 - CVE-2020-6535 chromium-browser: Insufficient data validation in WebUI
• BZ - 1857342 - CVE-2020-6536 chromium-browser: Incorrect security UI in PWAs
• BZ - 1857349 - CVE-2020-6514 chromium-browser: Inappropriate implementation in WebRTC
• BZ - 1857351 - CVE-2020-6517 chromium-browser: Heap buffer overflow in history
• BZ - 1857352 - CVE-2020-6522 chromium-browser: Inappropriate implementation in external protocol handlers
• BZ - 1857400 - CVE-2020-6510 chromium-browser: Heap buffer overflow in background fetch
• BZ - 1861464 - CVE-2020-6537 chromium-browser: Type Confusion in V8
• BZ - 1861465 - CVE-2020-6538 chromium-browser: Inappropriate implementation in WebView
• BZ - 1861466 - CVE-2020-6532 chromium-browser: Use after free in SCTP
• BZ - 1861467 - CVE-2020-6539 chromium-browser: Use after free in CSS
• BZ - 1861468 - CVE-2020-6540 chromium-browser: Heap buffer overflow in Skia
• BZ - 1861469 - CVE-2020-6541 chromium-browser: Use after free in WebUSB

CVEs

• CVE-2020-6510
• CVE-2020-6511
• CVE-2020-6512
• CVE-2020-6513
• CVE-2020-6514
• CVE-2020-6515
• CVE-2020-6516
• CVE-2020-6517
• CVE-2020-6518
• CVE-2020-6519
• CVE-2020-6520
• CVE-2020-6521
• CVE-2020-6522
• CVE-2020-6523
• CVE-2020-6524
• CVE-2020-6525
• CVE-2020-6526
• CVE-2020-6527
• CVE-2020-6528
• CVE-2020-6529
• CVE-2020-6530
• CVE-2020-6531
• CVE-2020-6532
• CVE-2020-6533
• CVE-2020-6534
• CVE-2020-6535
• CVE-2020-6536
• CVE-2020-6537
• CVE-2020-6538
• CVE-2020-6539
• CVE-2020-6540
• CVE-2020-6541

References

• https://access.redhat.com/security/updates/classification/#critical