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amazonAmazonALAS-2017-872
HistoryAug 17, 2017 - 6:27 p.m.

Important: graphite2

2017-08-1718:27:00
alas.aws.amazon.com
19

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.008 Low

EPSS

Percentile

81.2%

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  

Additional References

Red Hat: CVE-2017-7771, CVE-2017-7772, CVE-2017-7773, CVE-2017-7774, CVE-2017-7775, CVE-2017-7776, CVE-2017-7777, CVE-2017-7778

Mitre: CVE-2017-7771, CVE-2017-7772, CVE-2017-7773, CVE-2017-7774, CVE-2017-7775, CVE-2017-7776, CVE-2017-7777, CVE-2017-7778

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.008 Low

EPSS

Percentile

81.2%