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amazonAmazonALAS2-2019-1264
HistoryAug 07, 2019 - 11:56 p.m.

Low: mod_http2

2019-08-0723:56:00
alas.aws.amazon.com
10

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

6.4 Medium

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.006 Low

EPSS

Percentile

78.2%

Issue Overview:

A vulnerability was found in Apache HTTP Server 2.4. Using fuzzed network input, the http/2 request handling could be made to access freed memory in string comparison when determining the method of a request and thus process the request incorrectly. (CVE-2019-0196)

Affected Packages:

mod_http2

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 mod_http2 to update your system.

New Packages:

aarch64:  
    mod_http2-1.15.1-1.amzn2.aarch64  
    mod_http2-debuginfo-1.15.1-1.amzn2.aarch64  
  
i686:  
    mod_http2-1.15.1-1.amzn2.i686  
    mod_http2-debuginfo-1.15.1-1.amzn2.i686  
  
src:  
    mod_http2-1.15.1-1.amzn2.src  
  
x86_64:  
    mod_http2-1.15.1-1.amzn2.x86_64  
    mod_http2-debuginfo-1.15.1-1.amzn2.x86_64  

Additional References

Red Hat: CVE-2019-0196

Mitre: CVE-2019-0196

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

6.4 Medium

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.006 Low

EPSS

Percentile

78.2%