medium
5.3
CWE
20
Advisory Published
CVE Published
Updated

CVE-2017-7829: Input Validation

First published: Fri Dec 22 2017(Updated: )

It is possible to spoof the sender's email address and display an arbitrary sender address to the email recipient. The real sender's address is not displayed if preceded by a null character in the display string.

Credit: security@mozilla.org security@mozilla.org

Affected SoftwareAffected VersionHow to fix
Mozilla Thunderbird<52.5.2
Redhat Enterprise Linux Aus=7.4
Redhat Enterprise Linux Desktop=6.0
Redhat Enterprise Linux Desktop=7.0
Redhat Enterprise Linux Eus=7.4
Redhat Enterprise Linux Eus=7.5
Redhat Enterprise Linux Server=6.0
Redhat Enterprise Linux Server=7.0
Redhat Enterprise Linux Workstation=6.0
Redhat Enterprise Linux Workstation=7.0
Debian Debian Linux=7.0
Debian Debian Linux=8.0
Debian Debian Linux=9.0
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=17.10
Mozilla Thunderbird<52.5.2
52.5.2
debian/thunderbird
1:115.12.0-1~deb11u1
1:115.16.0esr-1~deb11u1
1:115.12.0-1~deb12u1
1:115.16.0esr-1~deb12u1
1:128.2.0esr-1
1:128.3.0esr-1

Remedy

https://bugzilla.mozilla.org/show_bug.cgi?id=1423432

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2017-7829?

    CVE-2017-7829 is a vulnerability that allows the spoofing of the sender's email address and displaying an arbitrary sender address to the email recipient in Thunderbird.

  • Which software is affected by CVE-2017-7829?

    Thunderbird versions < 52.5.2 are affected by CVE-2017-7829.

  • What is the severity of CVE-2017-7829?

    The severity of CVE-2017-7829 is medium, with a CVSS score of 5.3.

  • How can I fix CVE-2017-7829?

    To fix CVE-2017-7829, upgrade Thunderbird to version 52.6.0 or higher.

  • Where can I find more information about CVE-2017-7829?

    You can find more information about CVE-2017-7829 at the following references: [Bugzilla](https://bugzilla.mozilla.org/show_bug.cgi?id=1423432), [Mozilla Security Advisories](https://www.mozilla.org/en-US/security/advisories/mfsa2017-30/), [SecurityFocus](http://www.securityfocus.com/bid/102258).

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