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debianDebianDEBIAN:DLA-561-1:ED2F6
HistoryJul 26, 2016 - 9:55 a.m.

[SECURITY] [DLA 561-1] uclibc security update

2016-07-2609:55:59
lists.debian.org
6

CVSS2

5

Attack Vector

NETWORK

Attack 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

CVSS3

7.5

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

AI Score

7.9

Confidence

High

EPSS

0.011

Percentile

84.8%

Package : uclibc
Version : 0.9.32-1+deb7u1
CVE ID : CVE-2016-2224 CVE-2016-2225 CVE-2016-6264

Several vulnerabilities have been discovered in uClibc, an
implementation of the standard C library that is much smaller than
glibc, which makes it useful for embedded systems.

CVE-2016-2224
Fix possible denial of service via a specially crafted DNS reply
that could cause an infinite loop.

CVE-2016-2225
Fix possible denial of service via specially crafted packet that
will make the parser in libc/inet/resolv.c terminate early.

CVE-2016-6264
It was found that 'BLT' instruction in libc/string/arm/memset.S
checks for signed values. If the parameter of memset is negative,
then value added to the PC will be large. An attacker that controls
the length parameter of memset can also control the value of PC
register.

For Debian 7 "Wheezy", these problems have been fixed in version
0.9.32-1+deb7u1.

We recommend that you upgrade your uclibc 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

OSVersionArchitecturePackageVersionFilename
Debian7alluclibc-source< 0.9.32-1+deb7u1uclibc-source_0.9.32-1+deb7u1_all.deb
Debian7alluclibc< 0.9.32-1+deb7u1uclibc_0.9.32-1+deb7u1_all.deb

CVSS2

5

Attack Vector

NETWORK

Attack 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

CVSS3

7.5

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

AI Score

7.9

Confidence

High

EPSS

0.011

Percentile

84.8%