critical: thunderbird/poppler security update
critical
An update for thunderbird/poppler is now available for NewStart CGSL MAIN 5.04/CGSL CORE 5.04.
NewStart Security has rated this update as having a security impact of critical. A Common Vunlnerability Scoring System(CVSS)base score, which gives a detailed severity rating, is available for each vulnerability from the CVElink(s) in the References section.
thunderbird: Mozilla Thunderbird is a standalone mail and newsgroup client.
poppler: Poppler, a PDF rendering library, is a fork of the xpdf PDF viewer developed by Derek Noonburg of Glyph and Cog, LLC. This utils package installs a number of command line tools for converting PDF files to a number of other formats.
Security Fix(es):
thunderbird: A flaw was found in Mozilla Firefox. A race condition can occur while running the nsDocShell destructor causing a use-after-free memory issue. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.(CVE-2020-6819)
thunderbird: A flaw was found in Mozilla's Firefox. A race condition can occur when handling a ReadableStream causing a use-after-free memory issue. The highest threat from this vulnerability are to data confidentiality and integrity as well as system availability.(CVE-2020-6820)
thunderbird: The Mozilla Foundation Security Advisory describes this flaw as: When reading from areas partially or fully outside the source resource with WebGL's copyTexSubImage method, the specification requires the returned values be zero. Previously, this memory was uninitialized, leading to potentially sensitive data disclosure.(CVE-2020-6821)
thunderbird: The Mozilla Foundation Security Advisory describes this flaw as: On 32-bit builds, an out of bounds write could have occurred when processing an image larger than 4 GB in GMPDecodeData. It is possible that with enough effort this could have been exploited to run arbitrary code.(CVE-2020-6822)
thunderbird: The Mozilla Foundation Security Advisory describes this flaw as: Mozilla developers reported memory safety bugs present in Firefox 74 and Firefox ESR 68.6. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.(CVE-2020-6825)
thunderbird: A flaw was found in Mozilla Firefox and Thunderbird. When running shutdown code for Web Worker, a race condition occurs leading to a use-after-free memory flaw that could lead to an exploitable crash. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.(CVE-2020-12387)
thunderbird: A flaw was found in Mozilla Firefox and Thunderbird. When parsing and validating SCTP chunks in WebRTC a memory buffer overflow could occur leading to memory corruption and an exploitable crash. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.(CVE-2020-6831)
thunderbird: The Mozilla Foundation Security Advisory describes this flaw as: The 'Copy as cURL' feature of Devtools' network tab did not properly escape the HTTP POST data of a request, which can be controlled by the website. If a user used the 'Copy as cURL' feature and pasted the command into a terminal, it could have resulted in the disclosure of local files.(CVE-2020-12392)
thunderbird: Memory safety flaws were found in Mozilla Firefox and Thunderbird. Memory corruption that an attacker could leverage with enough effort, could allow arbitrary code to run. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.(CVE-2020-12395)
thunderbird: By encoding Unicode whitespace characters within the From email header, an attacker can spoof the sender email address that Thunderbird displays. This vulnerability affects Thunderbird < 68.8.0.(CVE-2020-12397)
thunderbird: bugfix
poppler: An issue was discovered in Poppler 0.74.0. There is a heap-based buffer over-read in the function PSOutputDev::checkPageSlice at PSOutputDev.cc.(CVE-2019-10871)
poppler: The JPXStream::init function in Poppler 0.78.0 and earlier doesn't check for negative values of stream length, leading to an Integer Overflow, thereby making it possible to allocate a large memory chunk on the heap, with a size controlled by an attacker, as demonstrated by pdftocairo.(CVE-2019-9959)
poppler: In Poppler through 0.76.1, there is a heap-based buffer over-read in JPXStream::init in JPEG2000Stream.cc via data with inconsistent heights or widths.(CVE-2019-12293)
poppler: Poppler before 0.66.0 has an integer overflow in Parser::makeStream in Parser.cc.(CVE-2018-21009)
poppler: bugfix
Solution:
For details on how to apply this update, which includes the changes described in this advisory, refer to:
http://security.gd-linux.com/how_to_apply_patch.html
Remember the build tag is 5.04.F25B5.