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amazonAmazonALAS2-2019-1370
HistoryDec 13, 2019 - 6:55 p.m.

Medium: file

2019-12-1318:55:00
alas.aws.amazon.com
14

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

9.2 High

AI Score

Confidence

High

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

45.6%

Issue Overview:

cdf_read_property_info in cdf.c in file through 5.37 does not restrict the number of CDF_VECTOR elements, which allows a heap-based buffer overflow (4-byte out-of-bounds write).(CVE-2019-18218)

Affected Packages:

file

Note:

This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.

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

New Packages:

aarch64:  
    file-5.11-35.amzn2.0.2.aarch64  
    file-libs-5.11-35.amzn2.0.2.aarch64  
    file-devel-5.11-35.amzn2.0.2.aarch64  
    file-static-5.11-35.amzn2.0.2.aarch64  
    file-debuginfo-5.11-35.amzn2.0.2.aarch64  
  
i686:  
    file-5.11-35.amzn2.0.2.i686  
    file-libs-5.11-35.amzn2.0.2.i686  
    file-devel-5.11-35.amzn2.0.2.i686  
    file-static-5.11-35.amzn2.0.2.i686  
    file-debuginfo-5.11-35.amzn2.0.2.i686  
  
noarch:  
    python-magic-5.11-35.amzn2.0.2.noarch  
  
src:  
    file-5.11-35.amzn2.0.2.src  
  
x86_64:  
    file-5.11-35.amzn2.0.2.x86_64  
    file-libs-5.11-35.amzn2.0.2.x86_64  
    file-devel-5.11-35.amzn2.0.2.x86_64  
    file-static-5.11-35.amzn2.0.2.x86_64  
    file-debuginfo-5.11-35.amzn2.0.2.x86_64  

Additional References

Red Hat: CVE-2019-18218

Mitre: CVE-2019-18218

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

9.2 High

AI Score

Confidence

High

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

45.6%