CVE-2020-12392: Path Traversal

Published May 5, 2020
·
Updated

Last updated 24 July 2024

Other sources

The 'Copy as cURL' feature of Devtools' network tab did not properly escape the HTTP POST data of a request, which can be controlled by the website. If a user used the 'Copy as cURL' feature and pasted the command into a terminal, it could have resulted in the disclosure of local files.

Affected Software

51 affected componentsFixes available
debian/firefox
130.0-2
debian/firefox-esr
115.14.0esr-1~deb11u1115.15.0esr-1~deb11u1115.14.0esr-1~deb12u1115.15.0esr-1~deb12u1115.15.0esr-1
debian/thunderbird
1:115.12.0-1~deb11u11:115.15.0-1~deb11u11:115.12.0-1~deb12u11:115.15.0-1~deb12u11:128.1.1esr-11:128.2.0esr-1
Mozilla Firefox<76.0
Mozilla Firefox ESR<68.8.0
Mozilla Thunderbird<68.8.0
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=19.10
Canonical Ubuntu Linux=20.04
Mozilla Thunderbird<68.8
68.8
Mozilla Firefox<76
76
Mozilla Firefox ESR<68.8
68.8
alpine/firefox<76.0-r0
76.0-r0
alpine/firefox<76.0-r0
76.0-r0
alpine/firefox<76.0-r0
76.0-r0
alpine/firefox<76.0-r0
76.0-r0
alpine/firefox<76.0-r0
76.0-r0
alpine/firefox<76.0-r0
76.0-r0
alpine/firefox<76.0-r0
76.0-r0
alpine/firefox<76.0-r0
76.0-r0
alpine/firefox<76.0-r0
76.0-r0
alpine/firefox<76.0-r0
76.0-r0
alpine/firefox<76.0-r0
76.0-r0
alpine/firefox<76.0-r0
76.0-r0
alpine/firefox-esr<68.8.0-r0
68.8.0-r0
alpine/firefox-esr<68.8.0-r0
68.8.0-r0
alpine/firefox-esr<68.8.0-r0
68.8.0-r0
alpine/firefox-esr<68.8.0-r0
68.8.0-r0
alpine/firefox-esr<68.8.0-r0
68.8.0-r0
alpine/firefox-esr<68.8.0-r0
68.8.0-r0
alpine/firefox-esr<68.8.0-r0
68.8.0-r0
alpine/firefox-esr<68.8.0-r0
68.8.0-r0
alpine/firefox-esr<68.8.0-r0
68.8.0-r0
alpine/firefox-esr<68.8.0-r0
68.8.0-r0
alpine/firefox-esr<68.8.0-r0
68.8.0-r0
alpine/firefox-esr<68.8.0-r0
68.8.0-r0
alpine/firefox-esr<68.8.0-r0
68.8.0-r0
alpine/librewolf<76.0-r0
76.0-r0
alpine/librewolf<76.0-r0
76.0-r0
alpine/librewolf<76.0-r0
76.0-r0
alpine/librewolf<76.0-r0
76.0-r0
alpine/mozjs68<68.8.0-r0
68.8.0-r0
alpine/thunderbird<68.8.0-r0
68.8.0-r0
alpine/thunderbird<68.8.0-r0
68.8.0-r0
alpine/thunderbird<68.8.0-r0
68.8.0-r0
alpine/thunderbird<68.8.0-r0
68.8.0-r0
alpine/thunderbird<68.8.0-r0
68.8.0-r0
alpine/thunderbird<68.8.0-r0
68.8.0-r0
alpine/thunderbird<68.8.0-r0
68.8.0-r0
alpine/thunderbird<68.8.0-r0
68.8.0-r0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/firefox to a version that resolves this vulnerability.

    Fixed in 130.0-2
  2. Upgrade

    Upgrade debian/firefox-esr to a version that resolves this vulnerability.

    Fixed in 115.14.0esr-1~deb11u1Fixed in 115.15.0esr-1~deb11u1Fixed in 115.14.0esr-1~deb12u1Fixed in 115.15.0esr-1~deb12u1Fixed in 115.15.0esr-1
  3. Upgrade

    Upgrade debian/thunderbird to a version that resolves this vulnerability.

    Fixed in 1:115.12.0-1~deb11u1Fixed in 1:115.15.0-1~deb11u1Fixed in 1:115.12.0-1~deb12u1Fixed in 1:115.15.0-1~deb12u1Fixed in 1:128.1.1esr-1Fixed in 1:128.2.0esr-1
  4. Upgrade

    Upgrade Thunderbird to a version that resolves this vulnerability.

    Fixed in 68.8
  5. Upgrade

    Upgrade Firefox to a version that resolves this vulnerability.

    Fixed in 76
  6. Upgrade

    Upgrade Firefox ESR to a version that resolves this vulnerability.

    Fixed in 68.8
  7. Upgrade

    Upgrade alpine/firefox to a version that resolves this vulnerability.

    Fixed in 76.0-r0
  8. Upgrade

    Upgrade alpine/firefox-esr to a version that resolves this vulnerability.

    Fixed in 68.8.0-r0
  9. Upgrade

    Upgrade alpine/librewolf to a version that resolves this vulnerability.

    Fixed in 76.0-r0
  10. Upgrade

    Upgrade alpine/mozjs68 to a version that resolves this vulnerability.

    Fixed in 68.8.0-r0
  11. Upgrade

    Upgrade alpine/thunderbird to a version that resolves this vulnerability.

    Fixed in 68.8.0-r0

Event History

May 5, 2020
CVE Published
12:00 AM
May 26, 2020
CVE Published
via MITRE·05:01 PM
Data Sourced
via MITRE·05:01 PM
DescriptionWeakness
Data Sourced
via NVD·06:15 PM
DescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·06:15 PM
DescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the severity of CVE-2020-12392?

CVE-2020-12392 has been classified as a moderate severity vulnerability.

2

How do I fix CVE-2020-12392?

To fix CVE-2020-12392, users should update to the latest version of Firefox or Thunderbird that exceeds the affected versions listed.

3

What products are affected by CVE-2020-12392?

CVE-2020-12392 affects Mozilla Firefox ESR, Mozilla Thunderbird, and certain versions of Firefox.

4

What type of vulnerability is CVE-2020-12392?

CVE-2020-12392 is a security flaw related to improper handling of HTTP POST data in the 'Copy as cURL' feature of browser devtools.

5

What could be the impact of exploiting CVE-2020-12392?

Exploiting CVE-2020-12392 could potentially lead to the disclosure of sensitive information if a user inadvertently runs a pasted curl command.

Contact

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