ALAS-2017-872


Amazon Linux AMI Security Advisory: ALAS-2017-872
Advisory Release Date: 2017-08-17 22:46 Pacific
Severity: Important

Issue Overview:

Vulnerabilities in the Graphite 2 library (MFSA 2017-16)
A heap-based buffer overflow flaw related to "lz4::decompress" has been reported in graphite2. An attacker could exploit this issue to cause a crash or, possibly, execute arbitrary code. (CVE-2017-7778 )

Heap-buffer-overflow write "lz4::decompress" (src/Decompressor)
A heap-based buffer overflow flaw related to "lz4::decompress" (src/Decompressor) has been reported in graphite2. An attacker could exploit this issue to cause a crash or, possibly, execute arbitrary code. (CVE-2017-7772 )(CVE-2017-7773 )

Out of bounds read in "graphite2::Pass::readPass":
An out of bounds read flaw related to "graphite2::Pass::readPass" has been reported in graphite2. An attacker could possibly exploit this flaw to disclose potentially sensitive memory or cause an application crash. (CVE-2017-7771 )

Heap-buffer-overflow read "graphite2::Silf::getClassGlyph"
An out of bounds read flaw related to "graphite2::Silf::getClassGlyph" has been reported in graphite2. An attacker could possibly exploit this flaw to disclose potentially sensitive memory or cause an application crash.(CVE-2017-7776 )

Use of uninitialized memory "graphite2::GlyphCache::Loader::read_glyph":
The use of uninitialized memory related to "graphite2::GlyphCache::Loader::read_glyph" has been reported in graphite2. An attacker could possibly exploit this flaw to negatively impact the execution of an application using graphite2 in unknown ways. (CVE-2017-7777 )

Out of bounds read "graphite2::Silf::readGraphite"
An out of bounds read flaw related to "graphite2::Silf::readGraphite" has been reported in graphite2. An attacker could possibly exploit this flaw to disclose potentially sensitive memory or cause an application crash. (CVE-2017-7774 )

Assertion error "size() > n":
An assertion error has been reported in graphite2. An attacker could possibly exploit this flaw to cause an application crash. (CVE-2017-7775 )


Affected Packages:

graphite2


Issue Correction:
Run yum update graphite2 to update your system.

New Packages:
i686:
    graphite2-devel-1.3.10-1.7.amzn1.i686
    graphite2-1.3.10-1.7.amzn1.i686
    graphite2-debuginfo-1.3.10-1.7.amzn1.i686

src:
    graphite2-1.3.10-1.7.amzn1.src

x86_64:
    graphite2-devel-1.3.10-1.7.amzn1.x86_64
    graphite2-debuginfo-1.3.10-1.7.amzn1.x86_64
    graphite2-1.3.10-1.7.amzn1.x86_64