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debianDebianDEBIAN:DLA-1194-1:E9867
HistoryNov 30, 2017 - 2:05 p.m.

[SECURITY] [DLA 1194-1] libxml2 security update

2017-11-3014:05:13
lists.debian.org
28

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:3.0/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

0.011 Low

EPSS

Percentile

84.2%

Package : libxml2
Version : 2.8.0+dfsg1-7+wheezy11
CVE ID : CVE-2017-16931 CVE-2017-16932

CVE-2017-16931
parser.c in libxml2 before 2.9.5 mishandles parameter-entity
references because the NEXTL macro calls the
xmlParserHandlePEReference function in the case of a '%' character
in a DTD name.

CVE-2017-16932
parser.c in libxml2 before 2.9.5 does not prevent infinite
recursion in parameter entities.

For Debian 7 "Wheezy", these problems have been fixed in version
2.8.0+dfsg1-7+wheezy11.

We recommend that you upgrade your libxml2 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

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:3.0/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

0.011 Low

EPSS

Percentile

84.2%

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