high
8.8
CWE
119
Advisory Published
CVE Published
Updated

CVE-2023-0767: Buffer Overflow

First published: Tue Feb 14 2023(Updated: )

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.

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

Affected SoftwareAffected VersionHow to fix
redhat/nss<0:3.44.0-13.el6_10
0:3.44.0-13.el6_10
redhat/nss<0:3.79.0-5.el7_9
0:3.79.0-5.el7_9
redhat/nss<0:3.79.0-11.el8_7
0:3.79.0-11.el8_7
redhat/nss<0:3.44.0-11.el8_1
0:3.44.0-11.el8_1
redhat/firefox<0:102.9.0-4.el8_1
0:102.9.0-4.el8_1
redhat/nss<0:3.53.1-13.el8_2
0:3.53.1-13.el8_2
redhat/nss<0:3.67.0-8.el8_4
0:3.67.0-8.el8_4
redhat/nss<0:3.79.0-11.el8_6
0:3.79.0-11.el8_6
redhat/nss<0:3.79.0-17.el9_1
0:3.79.0-17.el9_1
redhat/nss<0:3.79.0-17.el9_0
0:3.79.0-17.el9_0
Mozilla Thunderbird<102.8
102.8
Mozilla Firefox ESR<102.8
102.8
redhat/firefox<102.8
102.8
redhat/thunderbird<102.8
102.8
redhat/nss<3.88.1
3.88.1
redhat/nss<3.79.4
3.79.4
Mozilla Firefox<110
110
Mozilla Firefox<110.0
Mozilla Firefox ESR<102.8
Mozilla Thunderbird<102.8
debian/firefox
131.0.2-2
debian/firefox-esr
115.14.0esr-1~deb11u1
128.3.1esr-1~deb11u1
115.14.0esr-1~deb12u1
128.3.1esr-1~deb12u1
128.3.0esr-2
128.3.1esr-2
debian/nss
2:3.61-1+deb11u3
2:3.87.1-1
2:3.105-2
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://hg.mozilla.org/projects/nss/rev/684586ec163ad4fbbf15ea2cd1ee5c2da43036ad

Remedy

https://hg.mozilla.org/projects/nss/rev/62f6b3e9024dd72ba3af9ce23848d7573b934f18

Remedy

https://hg.mozilla.org/projects/nss/rev/57c60a4da16503b7827ccd763354faf151514b57

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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-2023-0767?

    CVE-2023-0767 is a vulnerability that allows an attacker to construct a PKCS 12 cert bundle that could allow for arbitrary memory writes.

  • What software is affected by CVE-2023-0767?

    CVE-2023-0767 affects Firefox versions less than 110, Thunderbird versions less than 102.8, and Firefox ESR versions less than 102.8.

  • How can an attacker exploit CVE-2023-0767?

    An attacker can exploit CVE-2023-0767 by constructing a malicious PKCS 12 cert bundle that triggers mishandling of PKCS 12 Safe Bag attributes, leading to arbitrary memory writes.

  • What is the severity of CVE-2023-0767?

    CVE-2023-0767 has a severity rating of 8.8, which is considered high.

  • Where can I find more information about CVE-2023-0767?

    You can find more information about CVE-2023-0767 in the Mozilla security advisories: [Link to advisory 1](https://www.mozilla.org/security/advisories/mfsa2023-05/), [Link to advisory 2](https://www.mozilla.org/security/advisories/mfsa2023-07/).

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