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Debian Security Advisory DSA-5472-1                   security@debian.org
https://www.debian.org/security/                       Moritz Muehlenhoff
August 08, 2023                       https://www.debian.org/security/faq
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Package        : cjose
CVE ID         : CVE-2023-37464
Debian Bug     : 1041423

It was discovered that an incorrect implementation of AES GCM decryption
in cjose, a C library implementing the JOSE standard may allow an attacker
to provide a truncated Authentication Tag and modify the JWE object.

For the oldstable distribution (bullseye), this problem has been fixed
in version 0.6.1+dfsg1-1+deb11u1.

For the stable distribution (bookworm), this problem has been fixed in
version 0.6.2.1-1+deb12u1.

We recommend that you upgrade your cjose packages.

For the detailed security status of cjose please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/cjose

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org

Debian: DSA-5472-1: cjose security update

August 8, 2023
It was discovered that an incorrect implementation of AES GCM decryption in cjose, a C library implementing the JOSE standard may allow an attacker to provide a truncated Authentic...

Summary

It was discovered that an incorrect implementation of AES GCM decryption
in cjose, a C library implementing the JOSE standard may allow an attacker
to provide a truncated Authentication Tag and modify the JWE object.

For the oldstable distribution (bullseye), this problem has been fixed
in version 0.6.1+dfsg1-1+deb11u1.

For the stable distribution (bookworm), this problem has been fixed in
version 0.6.2.1-1+deb12u1.

We recommend that you upgrade your cjose packages.

For the detailed security status of cjose please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/cjose

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org

Severity
Package : cjose
CVE ID : CVE-2023-37464
Debian Bug : 1041423

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