Botan before 3.6.0, when certain GCC versions are used, has a compiler-induced secret-dependent operation in lib/utils/donna128.h in donna128 (used in Chacha-Poly1305 and x25519). An addition can be skipped if a carry is not set. This was observed for GCC 11.3.0 with -O2 on MIPS, and GCC on x86-i386. (Only 32-bit processors can be affected.)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 24.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7586-1 advisory.

    It was discovered that Botan could have compiler dependent operations induced under certain circumstances.
    An attacker could possibly use this issue to cause undefined behavior. (CVE-2024-50382, CVE-2024-50383)

    Bing Shi discovered that Botan did not limit the size of certain inputs when checking primality and name     constraints. An attacker could possibly use this issue to cause a denial of service. (CVE-2024-34702,     CVE-2024-34703)

    It was discovered that Botan did not correctly handle conflicting name constraints. An attacker could     possibly use this issue to bypass authentication. (CVE-2024-39312)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Botan before 3.6.0, when certain GCC versions are used, has a compiler-induced secret-dependent operation     in lib/utils/donna128.h in donna128 (used in Chacha-Poly1305 and x25519). An addition can be skipped if a     carry is not set. This was observed for GCC 11.3.0 with -O2 on MIPS, and GCC on x86-i386. (Only 32-bit     processors can be affected.) (CVE-2024-50383)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2024:0343-1 advisory.

    - Fixed CVE-2024-50382, CVE-2024-50383 - various compiler-induced side channel in GHASH when certain     LLVM/GCC versions are used to compile Botan.

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
240496	Ubuntu 22.04 LTS / 24.04 LTS / 24.10 : Botan vulnerabilities (USN-7586-1)	Nessus	Ubuntu Local Security Checks	medium
230631	Linux Distros Unpatched Vulnerability : CVE-2024-50383	Nessus	Misc.	medium
209976	openSUSE 15 Security Update : Botan (openSUSE-SU-2024:0343-1)	Nessus	SuSE Local Security Checks	medium

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CVE-2024-50383

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