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debianDebianDEBIAN:DLA-1674-1:A92CD
HistoryFeb 12, 2019 - 6:32 a.m.

[SECURITY] [DLA 1674-1] php5 security update

2019-02-1206:32:11
lists.debian.org
101

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack 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

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.9 High

AI Score

Confidence

High

0.007 Low

EPSS

Percentile

81.0%

Package : php5
Version : 5.6.39+dfsg-0+deb8u2
CVE ID : CVE-2018-1000888

php-pear in php5 contains CWE-502 (Deserialization of Untrusted Data)
and CWE-915 (Improperly Controlled Modification of
Dynamically-Determined Object Attributes) vulnerabilities in its
Archive_Tar class. When extract is called without a specific prefix
path, can trigger unserialization by crafting a tar file with
phar://[path_to_malicious_phar_file] as path. Object injection can
be used to trigger destruct in the loaded PHP classes, all with
possible remote code execution that can result in files being deleted
or possibly modified.

For Debian 8 "Jessie", this problem has been fixed in version
5.6.39+dfsg-0+deb8u2.

We recommend that you upgrade your php5 packages.

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack 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

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.9 High

AI Score

Confidence

High

0.007 Low

EPSS

Percentile

81.0%