CVE-2020-12420
published 2020-07-09CVE-2020-12420: When trying to connect to a STUN server, a race condition could have caused a use-after-free of a pointer, leading to memory corruption and a potentially…
PriorityP341high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
1.86%
76.6th percentile
When trying to connect to a STUN server, a race condition could have caused a use-after-free of a pointer, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.
Affected
26 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| debian | firefox | < firefox 78.0-1 (sid) | firefox 78.0-1 (sid) |
| debian | firefox-esr | < firefox 78.0-1 (sid) | firefox 78.0-1 (sid) |
| debian | thunderbird | < firefox 78.0-1 (sid) | firefox 78.0-1 (sid) |
| mozilla | firefox | < 78.0 | 78.0 |
| mozilla | firefox | — | — |
| mozilla | firefox | >= 0 < 78.0.1+build1-0ubuntu0.16.04.1 | 78.0.1+build1-0ubuntu0.16.04.1 |
| mozilla | firefox | >= 0 < 78.0.1+build1-0ubuntu0.18.04.1 | 78.0.1+build1-0ubuntu0.18.04.1 |
| mozilla | firefox | >= 0 < 78.0.1+build1-0ubuntu0.20.04.1 | 78.0.1+build1-0ubuntu0.20.04.1 |
| mozilla | firefox | >= unspecified < 78 | 78 |
| mozilla | firefox_esr | < 68.10.0 | 68.10.0 |
| mozilla | firefox_esr | >= unspecified < 68.10 | 68.10 |
| mozilla | thunderbird | < 68.10.0 | 68.10.0 |
| mozilla | thunderbird | >= 0 < 1:68.10.0-1 | 1:68.10.0-1 |
| mozilla | thunderbird | >= 0 < 1:68.10.0-1 | 1:68.10.0-1 |
| mozilla | thunderbird | >= 0 < 1:68.10.0-1 | 1:68.10.0-1 |
| mozilla | thunderbird | >= 0 < 1:68.10.0-1 | 1:68.10.0-1 |
| mozilla | thunderbird | >= 0 < 1:68.10.0+build1-0ubuntu0.16.04.1 | 1:68.10.0+build1-0ubuntu0.16.04.1 |
| mozilla | thunderbird | >= 0 < 1:68.10.0+build1-0ubuntu0.18.04.1 | 1:68.10.0+build1-0ubuntu0.18.04.1 |
| mozilla | thunderbird | >= 0 < 1:68.10.0+build1-0ubuntu0.20.04.1 | 1:68.10.0+build1-0ubuntu0.20.04.1 |
| mozilla | thunderbird | >= unspecified < 68.10.0 | 68.10.0 |
| opensuse | leap | — | — |
CVSS provenance
nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvdv2.09.3CRITICALAV:N/AC:M/Au:N/C:C/I:C/A:C
osv8.8HIGH
vendor_debian8.8HIGH
vendor_redhat8.8HIGH
vendor_ubuntu7.5HIGH
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Ubuntu
Thunderbird vulnerabilities
vendor_ubuntu·2020-07-08·CVSS 7.5
CVE-2020-12398 [HIGH] Thunderbird vulnerabilities
Title: Thunderbird vulnerabilities
Summary: Several security issues were fixed in Thunderbird.
Multiple security issues were discovered in Thunderbird. If a user were
tricked in to opening a specially crafted website in a browsing context,
an attacker could potentially exploit these to cause a denial of service,
obtain sensitive information, or execute arbtirary code. (CVE-2020-12405,
CVE-2020-12406, CVE-2020-12410, CVE-2020-12417, CVE-2020-12418,
CVE-2020-12419, CVE-2020-12420)
It was discovered that Thunderbird would continue an unencrypted
connection when configured to use STARTTLS for IMAP if the server
responded with PREAUTH. A remote attacker could potentially exploit
this to perform a person-in-the-middle attack in order to obtain
sensitive information. (CVE-2020-12398)
It was d
Ubuntu
Firefox vulnerabilities
vendor_ubuntu·2020-07-02·CVSS 6.5
CVE-2020-12420 [MEDIUM] Firefox vulnerabilities
Title: Firefox vulnerabilities
Summary: Firefox could be made to crash or run programs as your login if it
opened a malicious website.
Multiple security issues were discovered in Firefox. If a user were
tricked in to opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, obtain sensitive
information, bypass permission prompts, or execute arbitrary code.
(CVE-2020-12415, CVE-2020-12416, CVE-2020-12417, CVE-2020-12418,
CVE-2020-12419, CVE-2020-12420, CVE-2020-12422, CVE-2020-12424,
CVE-2020-12425, CVE-2020-12426)
It was discovered that when performing add-on updates, certificate chains
not terminating with built-in roots were silently rejected. This could
result in add-ons becoming outdated. (CVE-2020-12421)
Instructions: After a st
Red Hat
Mozilla: Use-After-Free when trying to connect to a STUN server
vendor_redhat·2020-06-30·CVSS 8.8
CVE-2020-12420 [HIGH] CWE-416 Mozilla: Use-After-Free when trying to connect to a STUN server
Mozilla: Use-After-Free when trying to connect to a STUN server
When trying to connect to a STUN server, a race condition could have caused a use-after-free of a pointer, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.
The Mozilla Foundation Security Advisory describes this flaw as:
When trying to connect to a STUN server, a race condition could have caused a use-after-free of a pointer, leading to memory corruption and a potentially exploitable crash.
Package: firefox (Red Hat Enterprise Linux 5) - Out of support scope
Package: thunderbird (Red Hat Enterprise Linux 5) - Out of support scope
Debian
CVE-2020-12420: firefox - When trying to connect to a STUN server, a race condition could have caused a us...
vendor_debian·2020·CVSS 8.8
CVE-2020-12420 [HIGH] CVE-2020-12420: firefox - When trying to connect to a STUN server, a race condition could have caused a us...
When trying to connect to a STUN server, a race condition could have caused a use-after-free of a pointer, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.
Scope: local
sid: resolved (fixed in 78.0-1)
Mozilla
Mozilla Foundation Security Advisory 2020-25: CVE-2020-12420
vendor_mozilla·CVSS 8.8
CVE-2020-12420 [HIGH] Mozilla Foundation Security Advisory 2020-25: CVE-2020-12420
Mozilla Foundation Security Advisory 2020-25
CVE: CVE-2020-12420
Product: Firefox ESR
Impact: moderate
Fixed in: Firefox ESR 68.10
Mozilla
Mozilla Foundation Security Advisory 2020-29: CVE-2020-12420
vendor_mozilla·CVSS 8.8
CVE-2020-12420 [HIGH] Mozilla Foundation Security Advisory 2020-29: CVE-2020-12420
Mozilla Foundation Security Advisory 2020-29
CVE: CVE-2020-12420
Product: Thunderbird
Impact: high
Fixed in: Thunderbird 78
Mozilla
Mozilla Foundation Security Advisory 2020-26: CVE-2020-12420
vendor_mozilla·CVSS 8.8
CVE-2020-12420 [HIGH] Mozilla Foundation Security Advisory 2020-26: CVE-2020-12420
Mozilla Foundation Security Advisory 2020-26
CVE: CVE-2020-12420
Product: Thunderbird
Impact: moderate
Fixed in: Thunderbird 68.10
Mozilla
Mozilla Foundation Security Advisory 2020-24: CVE-2020-12420
vendor_mozilla·CVSS 8.8
CVE-2020-12420 [HIGH] Mozilla Foundation Security Advisory 2020-24: CVE-2020-12420
Mozilla Foundation Security Advisory 2020-24
CVE: CVE-2020-12420
Product: Firefox
Impact: high
Fixed in: Firefox 78
GHSA
GHSA-g65h-q52v-q3xv: When trying to connect to a STUN server, a race condition could have caused a use-after-free of a pointer, leading to memory corruption and a potentia
ghsa_unreviewed·2022-05-24
CVE-2020-12420 [HIGH] CWE-362 GHSA-g65h-q52v-q3xv: When trying to connect to a STUN server, a race condition could have caused a use-after-free of a pointer, leading to memory corruption and a potentia
When trying to connect to a STUN server, a race condition could have caused a use-after-free of a pointer, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.
OSV
CVE-2020-12420: When trying to connect to a STUN server, a race condition could have caused a use-after-free of a pointer, leading to memory corruption and a potentia
osv·2020-07-09·CVSS 8.8
CVE-2020-12420 [HIGH] CVE-2020-12420: When trying to connect to a STUN server, a race condition could have caused a use-after-free of a pointer, leading to memory corruption and a potentia
When trying to connect to a STUN server, a race condition could have caused a use-after-free of a pointer, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.
OSV
thunderbird vulnerabilities
osv·2020-07-08·CVSS 7.5
CVE-2020-12405 [HIGH] thunderbird vulnerabilities
thunderbird vulnerabilities
Multiple security issues were discovered in Thunderbird. If a user were
tricked in to opening a specially crafted website in a browsing context,
an attacker could potentially exploit these to cause a denial of service,
obtain sensitive information, or execute arbtirary code. (CVE-2020-12405,
CVE-2020-12406, CVE-2020-12410, CVE-2020-12417, CVE-2020-12418,
CVE-2020-12419, CVE-2020-12420)
It was discovered that Thunderbird would continue an unencrypted
connection when configured to use STARTTLS for IMAP if the server
responded with PREAUTH. A remote attacker could potentially exploit
this to perform a person-in-the-middle attack in order to obtain
sensitive information. (CVE-2020-12398)
It was discovered that NSS showed timing differences when performing DSA
sig
OSV
firefox vulnerabilities
osv·2020-07-02·CVSS 6.5
CVE-2020-12415 [MEDIUM] firefox vulnerabilities
firefox vulnerabilities
Multiple security issues were discovered in Firefox. If a user were
tricked in to opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, obtain sensitive
information, bypass permission prompts, or execute arbitrary code.
(CVE-2020-12415, CVE-2020-12416, CVE-2020-12417, CVE-2020-12418,
CVE-2020-12419, CVE-2020-12420, CVE-2020-12422, CVE-2020-12424,
CVE-2020-12425, CVE-2020-12426)
It was discovered that when performing add-on updates, certificate chains
not terminating with built-in roots were silently rejected. This could
result in add-ons becoming outdated. (CVE-2020-12421)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2020-12420 Mozilla: Use-After-Free when trying to connect to a STUN server
bugzilla·2020-07-01·CVSS 8.8
CVE-2020-12420 [HIGH] CVE-2020-12420 Mozilla: Use-After-Free when trying to connect to a STUN server
CVE-2020-12420 Mozilla: Use-After-Free when trying to connect to a STUN server
When trying to connect to a STUN server, a race condition could have caused a use-after-free of a pointer, leading to memory corruption and a potentially exploitable crash.
External Reference:
https://www.mozilla.org/en-US/security/advisories/mfsa2020-25/#CVE-2020-12420
Discussion:
Acknowledgments:
Name: the Mozilla project
Upstream: Byron Campen
---
This issue has been addressed in the following products:
Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions
Via RHSA-2020:2825 https://access.redhat.com/errata/RHSA-2020:2825
---
This issue has been addressed in the following products:
Red Hat Enterprise Linux 6
Via RHSA-2020:2824 https://access.redhat.com/errata/RHSA-2020:2824
---
This
Bugzilla
CVE-2019-12420 spamassassin: crafted email message can lead to DoS
bugzilla·2019-12-18·CVSS 7.5
CVE-2019-12420 [HIGH] CVE-2019-12420 spamassassin: crafted email message can lead to DoS
CVE-2019-12420 spamassassin: crafted email message can lead to DoS
In Apache SpamAssassin before 3.4.3, a message can be crafted in a way to use excessive resources. Upgrading to SA 3.4.3 as soon as possible is the recommended fix but details will not be shared publicly.
Reference:
https://lists.apache.org/thread.html/5863d6c42fc9595a29566732f12348cde0ca0e41bda91695c62041de@%3Cannounce.apache.org%3E
Discussion:
Created spamassassin tracking bugs for this issue:
Affects: fedora-all [bug 1784986]
---
This issue has been addressed in the following products:
Red Hat Enterprise Linux 7
Via RHSA-2020:3973 https://access.redhat.com/errata/RHSA-2020:3973
---
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):
https://access.redhat.com/s
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00023.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-07/msg00026.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.htmlhttps://bugzilla.mozilla.org/show_bug.cgi?id=1643437https://security.gentoo.org/glsa/202007-09https://security.gentoo.org/glsa/202007-10https://usn.ubuntu.com/4421-1/https://www.mozilla.org/security/advisories/mfsa2020-24/https://www.mozilla.org/security/advisories/mfsa2020-25/https://www.mozilla.org/security/advisories/mfsa2020-26/http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00023.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-07/msg00026.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.htmlhttps://bugzilla.mozilla.org/show_bug.cgi?id=1643437https://security.gentoo.org/glsa/202007-09https://security.gentoo.org/glsa/202007-10https://usn.ubuntu.com/4421-1/https://www.mozilla.org/security/advisories/mfsa2020-24/https://www.mozilla.org/security/advisories/mfsa2020-25/https://www.mozilla.org/security/advisories/mfsa2020-26/
2020-07-09
Published