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debianDebianDEBIAN:DLA-1055-1:1D63E
HistoryAug 12, 2017 - 9:36 p.m.

[SECURITY] [DLA 1055-1] libgd2 security update

2017-08-1221:36:16
lists.debian.org
24

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

7.6 High

AI Score

Confidence

High

0.298 Low

EPSS

Percentile

97.0%

Package : libgd2
Version : 2.0.36~rc1~dfsg-6.1+deb7u9
CVE ID : CVE-2017-7890

Matviy Kotoniy reported that the gdImageCreateFromGifCtx() function used
to load images from GIF format files in libgd2, a library for
programmatic graphics creation and manipulation, does not zero stack
allocated color map buffers before their use, which may result in
information disclosure if a specially crafted file is processed.

For Debian 7 "Wheezy", these problems have been fixed in version
2.0.36~rc1~dfsg-6.1+deb7u9.

We recommend that you upgrade your libgd2 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

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

7.6 High

AI Score

Confidence

High

0.298 Low

EPSS

Percentile

97.0%