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Ubuntu Security Notice USN-3700-1
July 03, 2018

exiv2 vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

– Ubuntu 18.04 LTS
– Ubuntu 17.10
– Ubuntu 16.04 LTS
– Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in Exiv2.

Software Description:
– exiv2: EXIF/IPTC/XMP metadata manipulation tool

Details:

It was discovered that Exiv2 incorrectly handled certain files.
An attacker could possibly use this to cause a denial of service.
(CVE-2018-10958, CVE-2018-10998)

It was discovered that Exiv2 incorrectly handled certain PNG files.
An attacker could possibly use this to access sensitive information.
(CVE-2018-10999)

It was discovered that Exiv2 incorrectly handled certain files.
An attacker could possibly use this to execute arbitrary code.
(CVE-2018-11531)

It was discovered that Exiv2 incorrectly handled certain files.
An attacker could possibly use this to access sensitive information.
(CVE-2018-12264, CVE-2018-12265)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 18.04 LTS:
exiv2                           0.25-3.1ubuntu0.18.04.1
libexiv2-14                     0.25-3.1ubuntu0.18.04.1

Ubuntu 17.10:
exiv2                           0.25-3.1ubuntu0.17.10.1
libexiv2-14                     0.25-3.1ubuntu0.17.10.1

Ubuntu 16.04 LTS:
exiv2                           0.25-2.1ubuntu16.04.2
libexiv2-14                     0.25-2.1ubuntu16.04.2

Ubuntu 14.04 LTS:
exiv2                           0.23-1ubuntu2.1
libexiv2-12                     0.23-1ubuntu2.1

In general, a standard system update will make all the necessary
changes.

References:
https://usn.ubuntu.com/usn/usn-3700-1
CVE-2018-10958, CVE-2018-10998, CVE-2018-10999, CVE-2018-11531,
CVE-2018-12264, CVE-2018-12265

Package Information:
https://launchpad.net/ubuntu/+source/exiv2/0.25-3.1ubuntu0.18.04.1
https://launchpad.net/ubuntu/+source/exiv2/0.25-3.1ubuntu0.17.10.1
https://launchpad.net/ubuntu/+source/exiv2/0.25-2.1ubuntu16.04.2
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