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amazonAmazonALAS-2020-1370
HistoryMay 22, 2020 - 8:57 p.m.

Low: httpd24

2020-05-2220:57:00
alas.aws.amazon.com
45

6.1 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

5.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.003 Low

EPSS

Percentile

65.3%

Issue Overview:

In Apache HTTP Server 2.4.0 to 2.4.41, redirects configured with mod_rewrite that were intended to be self-referential might be fooled by encoded newlines and redirect instead to an an unexpected URL within the request URL.(CVE-2020-1927)

In Apache HTTP Server 2.4.0 to 2.4.41, mod_proxy_ftp may use uninitialized memory when proxying to a malicious FTP server.(CVE-2020-1934)

Affected Packages:

httpd24

Issue Correction:
Run yum update httpd24 to update your system.

New Packages:

i686:  
    mod24_md-2.4.43-1.89.amzn1.i686  
    mod24_proxy_html-2.4.43-1.89.amzn1.i686  
    httpd24-tools-2.4.43-1.89.amzn1.i686  
    mod24_ldap-2.4.43-1.89.amzn1.i686  
    httpd24-debuginfo-2.4.43-1.89.amzn1.i686  
    mod24_ssl-2.4.43-1.89.amzn1.i686  
    mod24_session-2.4.43-1.89.amzn1.i686  
    httpd24-devel-2.4.43-1.89.amzn1.i686  
    httpd24-2.4.43-1.89.amzn1.i686  
  
noarch:  
    httpd24-manual-2.4.43-1.89.amzn1.noarch  
  
src:  
    httpd24-2.4.43-1.89.amzn1.src  
  
x86_64:  
    mod24_proxy_html-2.4.43-1.89.amzn1.x86_64  
    httpd24-tools-2.4.43-1.89.amzn1.x86_64  
    mod24_ssl-2.4.43-1.89.amzn1.x86_64  
    httpd24-debuginfo-2.4.43-1.89.amzn1.x86_64  
    mod24_md-2.4.43-1.89.amzn1.x86_64  
    mod24_session-2.4.43-1.89.amzn1.x86_64  
    httpd24-2.4.43-1.89.amzn1.x86_64  
    httpd24-devel-2.4.43-1.89.amzn1.x86_64  
    mod24_ldap-2.4.43-1.89.amzn1.x86_64  

Additional References

Red Hat: CVE-2020-1927, CVE-2020-1934

Mitre: CVE-2020-1927, CVE-2020-1934

6.1 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

5.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.003 Low

EPSS

Percentile

65.3%