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ubuntuUbuntuUSN-4505-1
HistorySep 16, 2020 - 12:00 a.m.

PHPMailer vulnerability

2020-09-1600:00:00
ubuntu.com
58
phpmailer
vulnerability
libphp-phpmailer
ubuntu 18.04 esm
remote attacker
filename characters
attachment filters
cve-2020-13625
unix

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

AI Score

7.7

Confidence

High

EPSS

0.009

Percentile

82.8%

Releases

  • Ubuntu 18.04 ESM

Packages

  • libphp-phpmailer - full featured email transfer class for PHP

Details

Elar Lang discovered that PHPMailer did not properly escape double quote
characters in filenames. A remote attacker could possibly exploit this
with a crafted filename to bypass attachment filters that are based on
matching filename extensions. (CVE-2020-13625)

OSVersionArchitecturePackageVersionFilename
Ubuntu18.04noarchlibphp-phpmailer< 5.2.14+dfsg-2.3+deb9u2build0.18.04.1UNKNOWN

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

AI Score

7.7

Confidence

High

EPSS

0.009

Percentile

82.8%