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HistoryMar 08, 2021 - 10:05 a.m.

[SECURITY] [DLA 2553-2] xcftools regression update

2021-03-0810:05:50
lists.debian.org
7

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

6.8 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.002 Low

EPSS

Percentile

61.3%


Debian LTS Advisory DLA-2553-2 [email protected]
https://www.debian.org/lts/security/ Markus Koschany
March 08, 2021 https://wiki.debian.org/LTS

Package : xcftools
Version : 1.0.7-6+deb9u2
CVE ID : CVE-2019-5086 CVE-2019-5087
Debian Bug : 945317

The patch to address CVE-2019-5086 and CVE-2019-5087 was not portable and did
not work on 32 bit processor architectures. This update fixes the problem. For
reference, the original advisory text follows.

Claudio Bozzato of Cisco Talos discovered an exploitable integer overflow
vulnerability in the flattenIncrementally function in the xcf2png and xcf2pnm
binaries of xcftools. An integer overflow can occur while walking through tiles
that could be exploited to corrupt memory and execute arbitrary code. In order
to trigger this vulnerability, a victim would need to open a specially crafted
XCF file.

For Debian 9 stretch, this problem has been fixed in version
1.0.7-6+deb9u2.

We recommend that you upgrade your xcftools packages.

For the detailed security status of xcftools please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/xcftools

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

6.8 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.002 Low

EPSS

Percentile

61.3%

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