CVE-2020-6821
Description
When reading from areas partially or fully outside the source resource with WebGLs copyTexSubImage method, the specification requires the returned values be zero. Previously, this memory was uninitialized, leading to potentially sensitive data disclosure. This vulnerability affects Thunderbird < 68.7.0, Firefox ESR < 68.7, and Firefox < 75.
Risk Information
Base Score
7.5
MODERATE
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score
Exploitation Probability
0.541
Associated Vulnerability
| Vulnerability | OS Platform |
|---|---|
| Vulnerabilities CVE-2020-6828,CVE-2020-6827,CVE-2020-6821,CVE-2020-6822,CVE-2020-6825 are fixed in Mozilla Firefox ESR (68.7.0) | Windows |
| Vulnerabilities CVE-2020-6828,CVE-2020-6827,CVE-2020-6821,CVE-2020-6822,CVE-2020-6825 are fixed in Mozilla Firefox ESR (x64) (68.7.0) | Windows |
| Multiple vulnerabilities fixed in Mozilla Firefox (75.0) | Windows |
| Multiple vulnerabilities fixed in Mozilla Firefox (x64) (75.0) | Windows |
| Vulnerabilities CVE-2020-6819,CVE-2020-6820,CVE-2020-6821,CVE-2020-6822,CVE-2020-6825 are fixed in Mozilla Thunderbird (68.7.0) | Windows |
| Vulnerabilities CVE-2020-6819,CVE-2020-6820,CVE-2020-6821,CVE-2020-6822,CVE-2020-6825 are fixed in Mozilla Thunderbird (x64) (68.7.0) | Windows |
| Multiple vulnerabilities are fixed in Mozilla Firefox For Mac (75.0) | Mac |
| Vulnerabilities CVE-2020-6819,CVE-2020-6820,CVE-2020-6821,CVE-2020-6822,CVE-2020-6825 are fixed in Mozilla Thunderbird For Mac (68.7.0) | Mac |
| Multiple Vulnerabilities are affected in Mozilla Thunderbird for Mac 68.6.0 | Mac |
| Multiple Vulnerabilities are affected in Firefox ESR for Mac 68.6.1 | Mac |
| Multiple Vulnerabilities are affected in Mozilla Firefox for Mac 68.6.1 | Mac |
| Multiple Vulnerabilities are affected in Mozilla Firefox for Mac 74.0.1 | Mac |
| Vulnerabilities CVE-2020-6828,CVE-2020-6827,CVE-2020-6821,CVE-2020-6822,CVE-2020-6825 are fixed in Mozilla Firefox For Mac 68.7 | Mac |
| firefox-esr security update(DSA-4655-1) firefox-esr_68.7.0esr-1~deb9u1_i386.deb | Linux |
| firefox-esr security update(DSA-4655-1) firefox-esr_68.7.0esr-1~deb9u1_amd64.deb | Linux |
| firefox-esr security update(DSA-4655-1) firefox-esr_68.7.0esr-1~deb10u1_i386.deb | Linux |
| firefox-esr security update(DSA-4655-1) firefox-esr_68.7.0esr-1~deb10u1_amd64.deb | Linux |
| Mozilla Open Source web browser (USN-4323-1) firefox_75.0+build3-0ubuntu0.16.04.1_i386.deb | Linux |
| Mozilla Open Source web browser (USN-4323-1) firefox_75.0+build3-0ubuntu0.16.04.1_amd64.deb | Linux |
| Mozilla Open Source web browser (USN-4323-1) firefox_75.0+build3-0ubuntu0.18.04.1_i386.deb | Linux |
| Mozilla Open Source web browser (USN-4323-1) firefox_75.0+build3-0ubuntu0.18.04.1_amd64.deb | Linux |
| Mozilla Open Source web browser (USN-4323-1) firefox_75.0+build3-0ubuntu0.19.10.1_i386.deb | Linux |
| Mozilla Open Source web browser (USN-4323-1) firefox_75.0+build3-0ubuntu0.19.10.1_amd64.deb | Linux |
| thunderbird security update(DSA-4656-1) thunderbird_68.7.0-1~deb9u1_i386.deb | Linux |
| thunderbird security update(DSA-4656-1) thunderbird_68.7.0-1~deb9u1_amd64.deb | Linux |
| thunderbird security update(DSA-4656-1) thunderbird_68.7.0-1~deb10u1_i386.deb | Linux |
| thunderbird security update(DSA-4656-1) thunderbird_68.7.0-1~deb10u1_amd64.deb | Linux |
| Mozilla Open Source mail and newsgroup client (USN-4328-1) thunderbird_68.7.0+build1-0ubuntu0.18.04.1_i386.deb | Linux |
| Mozilla Open Source mail and newsgroup client (USN-4328-1) thunderbird_68.7.0+build1-0ubuntu0.18.04.1_amd64.deb | Linux |
| Mozilla Open Source mail and newsgroup client (USN-4328-1) thunderbird_68.7.0+build1-0ubuntu0.19.10.1_i386.deb | Linux |
| Mozilla Open Source mail and newsgroup client (USN-4328-1) thunderbird_68.7.0+build1-0ubuntu0.19.10.1_amd64.deb | Linux |
| (RHSA-2020:1429) firefox security update firefox-68.7.0-2.el6_10.i686.rpm | Linux |
| (RHSA-2020:1429) firefox security update firefox-68.7.0-2.el6_10.x86_64.rpm | Linux |
| (RHSA-2020:1488) thunderbird security update thunderbird-68.7.0-1.el6_10.i686.rpm | Linux |
| (RHSA-2020:1488) thunderbird security update thunderbird-68.7.0-1.el6_10.x86_64.rpm | Linux |
| (RHSA-2020:1489) thunderbird security update thunderbird-68.7.0-1.el7_8.x86_64.rpm | Linux |
| Mozilla Open Source mail and newsgroup client (USN-4335-1) thunderbird_68.7.0+build1-0ubuntu0.16.04.2_i386.deb | Linux |
| Mozilla Open Source mail and newsgroup client (USN-4335-1) thunderbird_68.7.0+build1-0ubuntu0.16.04.2_amd64.deb | Linux |
Patch Details
Click to see the patches provided by ManageEngine for this CVE
| Patch ID | Patch Description |
|---|---|
| PATCH-313684 | Mozilla Firefox ESR (68.7.0) |
| PATCH-313685 | Mozilla Firefox ESR (x64) (68.7.0) |
| PATCH-313682 | Mozilla Firefox (75.0) |
| PATCH-313683 | Mozilla Firefox (x64) (75.0) |
| PATCH-313712 | Mozilla Thunderbird (68.7.0) |
| PATCH-313713 | Mozilla Thunderbird (x64) (68.7.0) |
| PATCH-607000 | Mozilla Firefox For Mac (124.0) |
| PATCH-611353 | Mozilla Thunderbird For Mac (128.12.0) |
| PATCH-611807 | Mozilla Thunderbird For Mac (142.0) |
| PATCH-611808 | Mozilla Firefox ESR for MAC 128.14.0 |
| PATCH-611870 | Mozilla Firefox For Mac (142.0.1) |
| PATCH-611870 | Mozilla Firefox For Mac (142.0.1) |
| PATCH-612783 | Mozilla Firefox For Mac (145.0.1) |
References
https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234