CVE-2023-0767 json
An attacker could construct a PKCS 12 cert bundle in such a way that could allow for arbitrary memory writes via PKCS 12 Safe Bag attribute…
published 2023-06-02 3 y ago modified 2026-10-24 15 d ago also EUVD-2023-12784
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 57%
- public exploits
- 0
- none known
Summary
An attacker could construct a PKCS 12 cert bundle in such a way that could allow for arbitrary memory writes via PKCS 12 Safe Bag attributes being mishandled. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.
Patch / fix
- Mozilla Firefox 110
- Mozilla Thunderbird 102.8
- Mozilla Firefox ESR 102.8
- nss Debian 14, Debian 13, Debian 12 2:3.87.1-1
- firefox-esr Debian 14, Debian 13, Debian 12 102.8.0esr-1
- thunderbird Debian 14, Debian 13, Debian 12 1:102.8.0-1
debian advisories DEBIAN-CVE-2023-0767
- nss Ubuntu 18.04 LTS 2:3.35-2ubuntu2.16
- nss Ubuntu 20.04 LTS 2:3.49.1-1ubuntu1.9
- nss Ubuntu 22.04 LTS 2:3.68.2-0ubuntu1.2
- firefox Ubuntu 18.04 LTS 110.0+build3-0ubuntu0.18.04.1
- firefox Ubuntu 20.04 LTS 110.0+build3-0ubuntu0.20.04.1
- thunderbird Ubuntu 18.04 LTS 1:102.8.0+build2-0ubuntu0.18.04.1
- thunderbird Ubuntu 20.04 LTS 1:102.8.0+build2-0ubuntu0.20.04.1
- thunderbird Ubuntu 22.04 LTS 1:102.8.0+build2-0ubuntu0.22.04.1
ubuntu advisories UBUNTU-CVE-2023-0767
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- redhat-virtualization-host rhev hypervisor 4.4 4.5.3-202304051438_8.6
- redhat-virtualization-host-image-update rhev hypervisor 4.4 4.5.3-202304051438_8.6
- nss RHEL 9 3.79.0-17.el9_1
- nspr RHEL 9 4.34.0-17.el9_1
- nss-util RHEL 9 3.79.0-17.el9_1
- nss-tools RHEL 9 3.79.0-17.el9_1
- nss-softokn RHEL 9 3.79.0-17.el9_1
- nss-sysinit RHEL 9 3.79.0-17.el9_1
red hat advisories RHSA-2023:1479RHSA-2023:1472RHSA-2023:1443RHSA-2023:1444RHSA-2023:1445RHSA-2023:1442
- MozillaThunderbird SLE Workstation Extension 15 SP4, SLE Module for Package Hub 15 SP4, openSUSE Leap 15.4 102.8.0-150200.8.105.2
- mozilla-nss SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES 12 SP5 +6 more 3.79.4-58.94.1
- MozillaFirefox SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES 12 SP5 +6 more 102.8.0-112.150.1
- MozillaFirefox SLES for SAP 15 SP3, SLES for SAP 15 SP2, SLES 15 SP3-LTSS +9 more 102.8.0-150200.152.78.1
- mozilla-nss SLES for SAP 15 SP3, SLES for SAP 15 SP2, SLES for SAP 15 SP1 +16 more 3.79.4-150000.3.93.1
- mozilla-nss SLE Module for Basesystem 15 SP4, SLE Micro 5.3, openSUSE Leap Micro 5.3 +1 more 3.79.4-150400.3.26.1
- MozillaFirefox SLES for SAP 15 SP1, SLES 15 SP1-LTSS, SLE High Performance Computing 15 SP1-LTSS 102.8.0-150000.150.76.1
suse advisories SUSE-SU-2023:0599-1SUSE-SU-2023:0469-1SUSE-SU-2023:0468-1SUSE-SU-2023:0466-1SUSE-SU-2023:0461-1SUSE-SU-2023:0443-1
- firefox-esr openSUSE Tumbleweed 128.5.1-1.1
- MozillaThunderbird openSUSE Tumbleweed 102.8.0-1.1
- MozillaFirefox openSUSE Tumbleweed 110.0.1-1.1
opensuse advisories openSUSE-SU-2024:14572-1openSUSE-SU-2024:12713-1openSUSE-SU-2024:12753-1
- nss AlmaLinux 9 3.79.0-17.el9_1
- nspr AlmaLinux 9 4.34.0-17.el9_1
- nss-util AlmaLinux 9 3.79.0-17.el9_1
- nss-tools AlmaLinux 9 3.79.0-17.el9_1
- nss-softokn AlmaLinux 9 3.79.0-17.el9_1
- nss-sysinit AlmaLinux 9 3.79.0-17.el9_1
- nss-softokn-freebl AlmaLinux 9 3.79.0-17.el9_1
- nss AlmaLinux 8 3.79.0-11.el8_7
almalinux advisories ALSA-2023:1368ALSA-2023:1252ALSA-2023:0808ALSA-2023:0810ALSA-2023:0821ALSA-2023:0824
- nss Rocky Linux 9 3.79.0-17.el9_1
- nss Rocky Linux 8 3.79.0-11.el8_7
- firefox Rocky Linux 9 102.8.0-2.el9_1
- thunderbird Rocky Linux 9 102.8.0-2.el9_1
- firefox Rocky Linux 8 102.8.0-2.el8_7
- thunderbird Rocky Linux 8 102.8.0-2.el8_7
rocky linux advisories RLSA-2023:1368RLSA-2023:1252RLSA-2023:0810RLSA-2023:0824RLSA-2023:0808RLSA-2023:0821
- firefox-esr Alpine 3.23, Alpine 3.22, Alpine 3.21 +3 more 102.8.0-r0
alpine advisories ALPINE-CVE-2023-0767
Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2023-0767 updated cvss 8.8
nss: Arbitrary memory write via PKCS 12
-
Red Hat Enterprise Linux AppStream (v. 8) nss 3.79.0-11.el8_7, nss-util 3.79.0-11.el8_7, nss-tools 3.79.0-11.el8_7, nss-softokn 3.79.0-11.el8_7, nss-sysinit 3.79.0-11.el8_7, nss-softokn-freebl 3.79.0-11.el8_7fixed: vendor fix RHSA-2023:1252
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Red Hat Enterprise Linux AppStream (v. 9) nss 3.79.0-17.el9_1, nspr 4.34.0-17.el9_1, nss-util 3.79.0-17.el9_1, nss-tools 3.79.0-17.el9_1, nss-softokn 3.79.0-17.el9_1, nss-sysinit 3.79.0-17.el9_1, +1 morefixed: vendor fix RHSA-2023:1368
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Red Hat Enterprise Linux AppStream AUS (v. 8.2) nss 3.53.1-13.el8_2, firefox 102.9.0-4.el8_2, nss-util 3.53.1-13.el8_2, nss-tools 3.53.1-13.el8_2, nss-softokn 3.53.1-13.el8_2, nss-sysinit 3.53.1-13.el8_2, +2 morefixed: vendor fix RHSA-2023:1445
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Red Hat Enterprise Linux AppStream E4S (v. 8.1) nss 3.44.0-11.el8_1, firefox 102.9.0-4.el8_1, nss-util 3.44.0-11.el8_1, nss-tools 3.44.0-11.el8_1, nss-softokn 3.44.0-11.el8_1, nss-sysinit 3.44.0-11.el8_1, +2 morefixed: vendor fix RHSA-2023:1479
-
Red Hat Enterprise Linux AppStream E4S (v. 8.2) nss 3.53.1-13.el8_2, firefox 102.9.0-4.el8_2, nss-util 3.53.1-13.el8_2, nss-tools 3.53.1-13.el8_2, nss-softokn 3.53.1-13.el8_2, nss-sysinit 3.53.1-13.el8_2, +2 morefixed: vendor fix RHSA-2023:1445
-
Red Hat Enterprise Linux AppStream EUS (v.8.4) nss 3.67.0-8.el8_4, firefox 102.9.0-4.el8_4, nss-util 3.67.0-8.el8_4, nss-tools 3.67.0-8.el8_4, nss-softokn 3.67.0-8.el8_4, nss-sysinit 3.67.0-8.el8_4, +2 morefixed: vendor fix RHSA-2023:1444
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Red Hat Enterprise Linux AppStream EUS (v.8.6) nss 3.79.0-11.el8_6, nss-util 3.79.0-11.el8_6, nss-tools 3.79.0-11.el8_6, nss-softokn 3.79.0-11.el8_6, nss-sysinit 3.79.0-11.el8_6, nss-softokn-freebl 3.79.0-11.el8_6fixed: vendor fix RHSA-2023:1369
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Red Hat Enterprise Linux AppStream EUS (v.9.0) nss 3.79.0-17.el9_0, nspr 4.34.0-17.el9_0, nss-util 3.79.0-17.el9_0, nss-tools 3.79.0-17.el9_0, nss-softokn 3.79.0-17.el9_0, nss-sysinit 3.79.0-17.el9_0, +1 morefixed: vendor fix RHSA-2023:1365
show 8 moreshow fewer
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Red Hat Enterprise Linux AppStream TUS (v. 8.2) nss 3.53.1-13.el8_2, firefox 102.9.0-4.el8_2, nss-util 3.53.1-13.el8_2, nss-tools 3.53.1-13.el8_2, nss-softokn 3.53.1-13.el8_2, nss-sysinit 3.53.1-13.el8_2, +2 morefixed: vendor fix RHSA-2023:1445
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Red Hat Enterprise Linux Client (v. 7) nss 3.79.0-5.el7_9, nss-tools 3.79.0-5.el7_9, nss-sysinit 3.79.0-5.el7_9 Red Hat Enterprise Linux Client Optional (v. 7) nss-devel 3.79.0-5.el7_9, nss-debuginfo 3.79.0-5.el7_9, nss-pkcs11-devel 3.79.0-5.el7_9 Red Hat Enterprise Linux ComputeNode Optional (v. 7) nss-devel 3.79.0-5.el7_9, nss-debuginfo 3.79.0-5.el7_9, nss-pkcs11-devel 3.79.0-5.el7_9fixed: vendor fix RHSA-2023:1332
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Red Hat Enterprise Linux Server (v. 6 ELS) nss 3.44.0-13.el6_10, nss-tools 3.44.0-13.el6_10, nss-sysinit 3.44.0-13.el6_10fixed: vendor fix RHSA-2023:1366
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Red Hat Enterprise Linux Server (v. 7) nss 3.79.0-5.el7_9, nss-tools 3.79.0-5.el7_9, nss-sysinit 3.79.0-5.el7_9fixed: vendor fix RHSA-2023:1332
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Red Hat Enterprise Linux Server Optional (v. 6 ELS) nss-debuginfo 3.44.0-13.el6_10, nss-pkcs11-devel 3.44.0-13.el6_10fixed: vendor fix RHSA-2023:1366
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Red Hat Enterprise Linux Server Optional (v. 7) nss-debuginfo 3.79.0-5.el7_9, nss-pkcs11-devel 3.79.0-5.el7_9 Red Hat Enterprise Linux Workstation (v. 7) nss 3.79.0-5.el7_9, nss-tools 3.79.0-5.el7_9, nss-sysinit 3.79.0-5.el7_9 Red Hat Enterprise Linux Workstation Optional (v. 7) nss-debuginfo 3.79.0-5.el7_9, nss-pkcs11-devel 3.79.0-5.el7_9fixed: vendor fix RHSA-2023:1332
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Red Hat Virtualization 4 Hypervisor for RHEL 8 redhat-virtualization-host 4.5.3-202304051438_8.6, redhat-virtualization-host-image-update 4.5.3-202304051438_8.6fixed: vendor fix RHSA-2023:1677
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Red Hat Enterprise Linux 6 firefox, thunderbird Red Hat Enterprise Linux 7 firefox, thunderbird Red Hat Enterprise Linux 8 firefox, thunderbird Red Hat Enterprise Linux 9 firefox, firefox-x11, thunderbird Red Hat RHEL 8-based RHEV-H for RHEV 4 (build requirements) redhat-release-virtualization-host 4.5.3-6.el8ev, redhat-release-virtualization-host-content 4.5.3-6.el8ev, redhat-virtualization-host-image-update-placeholder 4.5.3-6.el8evnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 18 mo ago
Exploit prediction
0.82% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Affected products
- Mozilla Firefox
- Mozilla Thunderbird
- Mozilla Firefox ESR
References
-
mozilla.org
/security/advisories/mfsa2023-06/
vendor-advisory
-
mozilla.org
/security/advisories/mfsa2023-05/
vendor-advisory
-
mozilla.org
/security/advisories/mfsa2023-07/
vendor-advisory
-
bugzilla.mozilla.org
/show_bug.cgi?id=1804640
issue-tracking, permissions-required, vendor-advisory
-
alas.aws.amazon.com
/AL2/ALAS-2023-1992.html
product
- security.netapp.com /advisory/ntap-20230324-0008/
Sources
- CVE List CVE-2023-0767
- NVD CVE-2023-0767
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.