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ubuntucveUbuntu.comUB:CVE-2019-12854
HistoryAug 15, 2019 - 12:00 a.m.

CVE-2019-12854

2019-08-1500:00:00
ubuntu.com
ubuntu.com
8

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

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

0.004 Low

EPSS

Percentile

73.7%

Due to incorrect string termination, Squid cachemgr.cgi 4.0 through 4.7 may
access unallocated memory. On systems with memory access protections, this
can cause the CGI process to terminate unexpectedly, resulting in a denial
of service for all clients using it.

Notes

Author Note
mdeslaur attacker needs access to cachemgr.cgi to cause a DoS 4.x only
OSVersionArchitecturePackageVersionFilename
ubuntu19.04noarchsquid< 4.4-1ubuntu2.3UNKNOWN

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

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

0.004 Low

EPSS

Percentile

73.7%