According to the versions of the nss-softokn packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities :

  - A flaw was found in the way CHACHA20-POLY1305 was     implemented in NSS. When using multi-part Chacha20, it     could cause out-of-bounds reads. This issue was fixed     by explicitly disabling multi-part ChaCha20 (which was     not functioning correctly) and strictly enforcing tag     length. The highest threat from this vulnerability is     to confidentiality and system     availability.(CVE-2020-12403)

  - When converting coordinates from projective to affine,     the modular inversion was not performed in constant     time, resulting in a possible timing-based side channel     attack. This vulnerability affects Firefox < 80 and     Firefox for Android < 80.CVE-2020-12400)

  - NSS has shown timing differences when performing DSA     signatures, which was exploitable and could eventually     leak private keys. This vulnerability affects     Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR <     68.9.(CVE-2020-12399)

  - During RSA key generation, bignum implementations used     a variation of the Binary Extended Euclidean Algorithm     which entailed significantly input-dependent flow. This     allowed an attacker able to perform     electromagnetic-based side channel attacks to record     traces leading to the recovery of the secret primes.
    *Note:* An unmodified Firefox browser does not generate     RSA keys in normal operation and is not affected, but     products built on top of it might. This vulnerability     affects Firefox < 78.(CVE-2020-12402)

  - During ECDSA signature generation, padding applied in     the nonce designed to ensure constant-time scalar     multiplication was removed, resulting in variable-time     execution dependent on secret data. This vulnerability     affects Firefox < 80 and Firefox for Android <     80.(CVE-2020-12401)

  - In Network Security Services (NSS) before 3.46, several     cryptographic primitives had missing length checks. In     cases where the application calling the library did not     perform a sanity check on the inputs it could result in     a crash due to a buffer overflow.(CVE-2019-17006)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Several vulnerabilities were fixed in nss, the Network Security Service libraries.

CVE-2020-12399

Force a fixed length for DSA exponentiation.

CVE-2020-12402

Side channel vulnerabilities during RSA key generation.

For Debian 8 'Jessie', these problems have been fixed in version 2:3.26-1+debu8u11.

We recommend that you upgrade your nss packages.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4397-1 advisory.

    It was discovered that NSS incorrectly handled the TLS State Machine. A remote attacker could possibly use     this issue to cause NSS to hang, resulting in a denial of service. This issue only affected Ubuntu 18.04     LTS and Ubuntu 19.10. (CVE-2019-17023)

    Cesar Pereida Garcia discovered that NSS incorrectly handled DSA key generation. A local attacker could     possibly use this issue to perform a timing attack and recover DSA keys. (CVE-2020-12399)

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.

According to the versions of the nss packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - NSS has shown timing differences when performing DSA     signatures, which was exploitable and could eventually     leak private keys. This vulnerability affects     Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR <     68.9.(CVE-2020-12399)

  - When converting coordinates from projective to affine,     the modular inversion was not performed in constant     time, resulting in a possible timing-based side channel     attack. This vulnerability affects Firefox < 80 and     Firefox for Android < 80.(CVE-2020-12400)

  - A flaw was found in the way CHACHA20-POLY1305 was     implemented in NSS. When using multi-part Chacha20, it     could cause out-of-bounds reads. This issue was fixed     by explicitly disabling multi-part ChaCha20 (which was     not functioning correctly) and strictly enforcing tag     length. The highest threat from(CVE-2020-12403)

  - A flaw was found in the way NSS handled CCS     (ChangeCipherSpec) messages in TLS 1.3. This flaw     allows a remote attacker to send multiple CCS messages,     causing a denial of service for servers compiled with     the NSS library. The highest threat from this     vulnerability is to system availability. This flaw     affects NSS versions before 3.58.(CVE-2020-25648)

  - In Network Security Services before 3.44, a malformed     Netscape Certificate Sequence can cause NSS to crash,     resulting in a denial of service.(CVE-2019-17007)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The version of Firefox ESR installed on the remote Windows host is prior to 68.9. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2020-21 advisory.

  - Mozilla developers Tom Tung and Karl Tomlinson reported memory safety bugs present in Firefox 76 and     Firefox ESR 68.8. Some of these bugs showed evidence of memory corruption and we presume that with enough     effort some of these could have been exploited to run arbitrary code. (CVE-2020-12410)

  - NSS has shown timing differences when performing DSA signatures, which was exploitable and could     eventually leak private keys. (CVE-2020-12399)

  - When browsing a malicious page, a race condition in our SharedWorkerService could occur and lead to a     potentially exploitable crash. (CVE-2020-12405)

  - Mozilla developer Iain Ireland discovered a missing type check during unboxed objects removal, resulting     in a crash. We presume that with enough effort that it could be exploited to run arbitrary code.
    (CVE-2020-12406)

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

Multiple security issues have been found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code or a timing attack on cryptographic keys.

Multiple security issues have been found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code or a timing attack on cryptographic keys.

For Debian 8 'Jessie', these problems have been fixed in version 68.9.0esr-1~deb8u2.

NOTE: 68.9.0esr-1~deb8u2 fixes an i386 build error in the otherwise identical 68.9.0esr-1~deb8u1 that was uploaded but not announced.

We recommend that you upgrade your firefox-esr packages.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
147038	EulerOS Virtualization for ARM 64 3.0.6.0 : nss-softokn (EulerOS-SA-2021-1536)	Nessus	Huawei Local Security Checks	2021/3/4	2024/1/16	critical
137909	Debian DLA-2266-1 : nss security update	Nessus	Debian Local Security Checks	2020/7/1	2021/1/11	medium
137555	Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : NSS vulnerabilities (USN-4397-1)	Nessus	Ubuntu Local Security Checks	2020/6/17	2025/9/3	medium
143400	EulerOS 2.0 SP9 : nss (EulerOS-SA-2020-2487)	Nessus	Huawei Local Security Checks	2020/12/1	2024/2/7	critical
137051	Mozilla Firefox ESR < 68.9	Nessus	Windows	2020/6/2	2025/11/18	high
137155	Debian DSA-4695-1 : firefox-esr - security update	Nessus	Debian Local Security Checks	2020/6/5	2024/3/7	high
137284	Debian DLA-2243-1 : firefox-esr security update	Nessus	Debian Local Security Checks	2020/6/10	2024/3/7	high

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