CVE-2017-7768

The Mozilla Maintenance Service can be invoked by an unprivileged user to read 32 bytes of any arbitrary file on the local system by convincing the service that it is reading a status file provided by the Mozilla Windows Updater. The Mozilla Maintenance Service executes with privileged access, bypassing system protections against unprivileged users. Note: This attack requires local system access and only affects Windows. Other operating systems are not affected. This vulnerability affects Firefox ESR < 52.2 and Firefox < 54.

The Mozilla Maintenance Service can be invoked by an unprivileged user to read 32 bytes of any arbitrary file on the local system by convincing the service that it is reading a status file provided by the Mozilla Windows Updater. The Mozilla Maintenance Service executes with privileged access, bypassing system protections against unprivileged users. Note: This attack requires local system access and only affects Windows. Other operating systems are not affected. This vulnerability affects Firefox ESR < 52.2 and Firefox < 54.

The Mozilla Maintenance Service can be invoked by an unprivileged user to read 32 bytes of any arbitrary file on the local system by convincing the service that it is reading a status file provided by the Mozilla Windows Updater. The Mozilla Maintenance Service executes with privileged access, bypassing system protections against unprivileged users. Note: This attack requires local system access and only affects Windows. Other operating systems are not affected. This vulnerability affects Firefox ESR < 52.2 and Firefox < 54.

The Mozilla Maintenance Service can be invoked by an unprivileged user to read 32 bytes of any arbitrary file on the local system by convincing the service that it is reading a status file provided by the Mozilla Windows Updater. The Mozilla Maintenance Service executes with privileged access, bypassing system protections against unprivileged users. Note: This attack requires local system access and only affects Windows. Other operating systems are not affected. This vulnerability affects Firefox ESR < 52.2 and Firefox < 54.

Updated iceape packages include security fixes from upstream Seamonkey and Firefox:

Multiple flaws were found in the way Iceape 2.48 processes various types of web content, where loading a web page containing malicious content could cause Iceape to crash, execute arbitrary code, or disclose sensitive information. (CVE-2016-10196,CVE-2017-5398,CVE-2017-5399, CVE-2017-5400,CVE-2017-5401,CVE-2017-5402,CVE-2017-5403,CVE-2017-5404, CVE-2017-5405,CVE-2017-5406,CVE-2017-5407,CVE-2017-5409,CVE-2017-5410, CVE-2017-5411,CVE-2017-5408,CVE-2017-5412,CVE-2017-5413,CVE-2017-5414, CVE-2017-5415,CVE-2017-5416,CVE-2017-5417,CVE-2017-5425,CVE-2017-5426, CVE-2017-5427,CVE-2017-5418,CVE-2017-5419,CVE-2017-5420,CVE-2017-5421, CVE-2017-5422,CVE-2017-5429,CVE-2017-5430,CVE-2017-5432,CVE-2017-5433, CVE-2017-5434,CVE-2017-5435,CVE-2017-5436,CVE-2017-5438,CVE-2017-5439, CVE-2017-5440,CVE-2017-5441,CVE-2017-5442,CVE-2017-5443,CVE-2017-5444, CVE-2017-5445,CVE-2017-5446,CVE-2017-5447,CVE-2017-5448,CVE-2017-5449, CVE-2017-5451,CVE-2017-5454,CVE-2017-5455,CVE-2017-5456,CVE-2017-5459, CVE-2017-5460,CVE-2017-5461,CVE-2017-5462,CVE-2017-5464,CVE-2017-5465, CVE-2017-5466,CVE-2017-5467,CVE-2017-5469,CVE-2017-5470,CVE-2017-5472, CVE-2017-7749,CVE-2017-7750,CVE-2017-7751,CVE-2017-7752,CVE-2017-7753, CVE-2017-7754,CVE-2017-7755,CVE-2017-7756,CVE-2017-7757,CVE-2017-7758, CVE-2017-7760,CVE-2017-7761,CVE-2017-7763,CVE-2017-7764,CVE-2017-7765, CVE-2017-7766,CVE-2017-7767,CVE-2017-7768,CVE-2017-7778,CVE-2017-7779, CVE-2017-7782,CVE-2017-7784,CVE-2017-7785,CVE-2017-7786,CVE-2017-7787, CVE-2017-7791,CVE-2017-7792,CVE-2017-7793,CVE-2017-7798,CVE-2017-7800, CVE-2017-7801,CVE-2017-7802,CVE-2017-7803,CVE-2017-7804,CVE-2017-7805, CVE-2017-7807,CVE-2017-7809,CVE-2017-7810,CVE-2017-7814,CVE-2017-7818, CVE-2017-7819,CVE-2017-7823,CVE-2017-7824,CVE-2017-7825,CVE-2017-7826, CVE-2017-7828,CVE-2017-7830,CVE-2017-7843,CVE-2017-7845)

The MozillaFirefox was updated to the new ESR 52.2 release, which fixes the following issues (bsc#1043960):

• MFSA 2017-16/CVE-2017-7758 Out-of-bounds read in Opus encoder
• MFSA 2017-16/CVE-2017-7749 Use-after-free during docshell reloading
• MFSA 2017-16/CVE-2017-7751 Use-after-free with content viewer listeners
• MFSA 2017-16/CVE-2017-5472 Use-after-free using destroyed node when regenerating trees
• MFSA 2017-16/CVE-2017-5470 Memory safety bugs fixed in Firefox 54 and Firefox ESR 52.2
• MFSA 2017-16/CVE-2017-7752 Use-after-free with IME input
• MFSA 2017-16/CVE-2017-7750 Use-after-free with track elements
• MFSA 2017-16/CVE-2017-7768 32 byte arbitrary file read through Mozilla Maintenance Service
• MFSA 2017-16/CVE-2017-7778 Vulnerabilities in the Graphite 2 library
• MFSA 2017-16/CVE-2017-7754 Out-of-bounds read in WebGL with ImageInfo object
• MFSA 2017-16/CVE-2017-7755 Privilege escalation through Firefox Installer with same directory DLL files
• MFSA 2017-16/CVE-2017-7756 Use-after-free and use-after-scope logging XHR header errors
• MFSA 2017-16/CVE-2017-7757 Use-after-free in IndexedDB
• MFSA 2017-16/CVE-2017-7761 File deletion and privilege escalation through Mozilla Maintenance Service helper.exe application
• MFSA 2017-16/CVE-2017-7763 Mac fonts render some unicode characters as spaces
• MFSA 2017-16/CVE-2017-7765 Mark of the Web bypass when saving executable files
• MFSA 2017-16/CVE-2017-7764 (bmo#1364283, bmo#http://www.unicode.org/reports/tr31/tr31-26 .html#Aspirational_Use_Scripts) Domain spoofing with combination of Canadian Syllabics and other unicode blocks

• update to Firefox ESR 52.1 (bsc#1035082)

• MFSA 2017-12/CVE-2016-10196 Vulnerabilities in Libevent library
• MFSA 2017-12/CVE-2017-5443 Out-of-bounds write during BinHex decoding
• MFSA 2017-12/CVE-2017-5429 Memory safety bugs fixed in Firefox 53, Firefox ESR 45.9, and Firefox ESR 52.1
• MFSA 2017-12/CVE-2017-5464 Memory corruption with accessibility and DOM manipulation
• MFSA 2017-12/CVE-2017-5465 Out-of-bounds read in ConvolvePixel
• MFSA 2017-12/CVE-2017-5466 Origin confusion when reloading isolated data:text/html URL
• MFSA 2017-12/CVE-2017-5467 Memory corruption when drawing Skia content
• MFSA 2017-12/CVE-2017-5460 Use-after-free in frame selection
• MFSA 2017-12/CVE-2017-5461 Out-of-bounds write in Base64 encoding in NSS
• MFSA 2017-12/CVE-2017-5448 Out-of-bounds write in ClearKeyDecryptor
• MFSA 2017-12/CVE-2017-5449 Crash during bidirectional unicode manipulation with animation
• MFSA 2017-12/CVE-2017-5446 Out-of-bounds read when HTTP/2 DATA frames are sent with incorrect data
• MFSA 2017-12/CVE-2017-5447 Out-of-bounds read during glyph processing
• MFSA 2017-12/CVE-2017-5444 Buffer overflow while parsing application/http-index-format content
• MFSA 2017-12/CVE-2017-5445 Uninitialized values used while parsing application/http- index-format content
• MFSA 2017-12/CVE-2017-5442 Use-after-free during style changes
• MFSA 2017-12/CVE-2017-5469 Potential Buffer overflow in flex-generated code
• MFSA 2017-12/CVE-2017-5440 Use-after-free in txExecutionState destructor during XSLT processing
• MFSA 2017-12/CVE-2017-5441 Use-after-free with selection during scroll events
• MFSA 2017-12/CVE-2017-5439 Use-after-free in nsTArray Length() during XSLT processing
• MFSA 2017-12/CVE-2017-5438 Use-after-free in nsAutoPtr during XSLT processing
• MFSA 2017-12/CVE-2017-5436 Out-of-bounds write with malicious font in Graphite 2
• MFSA 2017-12/CVE-2017-5435 Use-after-free during transaction processing in the editor
• MFSA 2017-12/CVE-2017-5434 Use-after-free during focus handling
• MFSA 2017-12/CVE-2017-5433 Use-after-free in SMIL animation functions
• MFSA 2017-12/CVE-2017-5432 Use-after-free in text input selection
• MFSA 2017-12/CVE-2017-5430 Memory safety bugs fixed in Firefox 53 and Firefox ESR 52.1
• MFSA 2017-12/CVE-2017-5459 Buffer…

This update for MozillaFirefox and mozilla-nss fixes the following issues:

Security issues fixed:

• Fixes in Firefox ESR 52.2 (bsc#1043960,MFSA 2017-16)

  • CVE-2017-7758: Out-of-bounds read in Opus encoder
  • CVE-2017-7749: Use-after-free during docshell reloading
  • CVE-2017-7751: Use-after-free with content viewer listeners
  • CVE-2017-5472: Use-after-free using destroyed node when regenerating trees
  • CVE-2017-5470: Memory safety bugs fixed in Firefox 54 and Firefox ESR 52.2
  • CVE-2017-7752: Use-after-free with IME input
  • CVE-2017-7750: Use-after-free with track elements
  • CVE-2017-7768: 32 byte arbitrary file read through Mozilla Maintenance Service
  • CVE-2017-7778: Vulnerabilities in the Graphite 2 library
  • CVE-2017-7754: Out-of-bounds read in WebGL with ImageInfo object
  • CVE-2017-7755: Privilege escalation through Firefox Installer with same directory DLL files
  • CVE-2017-7756: Use-after-free and use-after-scope logging XHR header errors
  • CVE-2017-7757: Use-after-free in IndexedDB
  • CVE-2017-7761: File deletion and privilege escalation through Mozilla Maintenance Service helper.exe application
  • CVE-2017-7763: Mac fonts render some unicode characters as spaces
  • CVE-2017-7765: Mark of the Web bypass when saving executable files
  • CVE-2017-7764: Domain spoofing with combination of Canadian Syllabics and other unicode blocks

• update to Firefox ESR 52.1 (bsc#1035082,MFSA 2017-12)

  • CVE-2016-10196: Vulnerabilities in Libevent library
  • CVE-2017-5443: Out-of-bounds write during BinHex decoding
  • CVE-2017-5429: Memory safety bugs fixed in Firefox 53, Firefox ESR 45.9, and Firefox ESR 52.1
  • CVE-2017-5464: Memory corruption with accessibility and DOM manipulation
  • CVE-2017-5465: Out-of-bounds read in ConvolvePixel
  • CVE-2017-5466: Origin confusion when reloading isolated data:text/html URL
  • CVE-2017-5467: Memory corruption when drawing Skia content
  • CVE-2017-5460: Use-after-free in frame selection
  • CVE-2017-5461: Out-of-bounds write in Base64 encoding in NSS
  • CVE-2017-5448: Out-of-bounds write in ClearKeyDecryptor
  • CVE-2017-5449: Crash during bidirectional unicode manipulation with animation
  • CVE-2017-5446: Out-of-bounds read when HTTP/2 DATA frames are sent with incorrect data
  • CVE-2017-5447: Out-of-bounds read during glyph processing
  • CVE-2017-5444: Buffer overflow while parsing application/http-index-format content
  • CVE-2017-5445: Uninitialized values used while parsing application/http- index-format content
  • CVE-2017-5442: Use-after-free during style changes
  • CVE-2017-5469: Potential Buffer overflow in flex-generated code
  • CVE-2017-5440: Use-after-free in txExecutionState destructor during XSLT processing
  • CVE-2017-5441: Use-after-free with selection during scroll events
  • CVE-2017-5439: Use-after-free in nsTArray Length() during XSLT processing
  • CVE-2017-5438: Use-after-free in nsAutoPtr during XSLT processing
  • CVE-2017-5436: Out-of-bounds write with malicious font in Graphite 2
  • CVE-2017-5435: Use-after-free during transaction processing in the editor
  • CVE-2017-5434: Use-after-free during focus handling
  • CVE-2017-5433: Use-after-free in SMIL animation functions
  • CVE-2017-5432: Use-after-free in text input selection
  • CVE-2017-5430: Memory safety bugs fixed in Firefox 53 and Firefox ESR 52.1
  • CVE-2017-5459: Buffer overflow in WebGL
  • CVE-2017-5462: DRBG flaw in NSS
  • CVE-2017-5455: Sandbox escape through internal feed reader APIs
  • CVE-2017-5454: Sandbox escape allowing file system read access through file picker
  • CVE-2017-5456: Sandbox escape allowing local file system access
  • CVE-2017-5451: Addressbar spoofing with onblur event

• General

  • CVE-2015-5276: Fix for C++11 std::random_device short reads (bsc#945842)

Bugfixes:

• workaround for Firefox hangs (bsc#1031485, bsc#1025108)
• Update to gcc-5-branch head.
  • Includes fixes for (bsc#966220), (bsc#962765), (bsc#964468), (bsc#939460), …