CVSS: 6.5EPSS: 0%CPEs: 1EXPL: 0CVE-2023-4421
https://notcve.org/view.php?id=CVE-2023-4421
The NSS code used for checking PKCS#1 v1.5 was leaking information useful in mounting Bleichenbacher-like attacks. Both the overall correctness of the padding as well as the length of the encrypted message was leaking through timing side-channel. By sending large number of attacker-selected ciphertexts, the attacker would be able to decrypt a previously intercepted PKCS#1 v1.5 ciphertext (for example, to decrypt a TLS session that used RSA key exchange), or forge a signature using the victim's key. The issue was fixed by implementing the implicit rejection algorithm, in which the NSS returns a deterministic random message in case invalid padding is detected, as proposed in the Marvin Attack paper. This vulnerability affects NSS < 3.61. • https://bugzilla.mozilla.org/show_bug.cgi?id=1651411 https://www.mozilla.org/security/advisories/mfsa2023-53 • CWE-203: Observable Discrepancy •
CVSS: 9.8EPSS: 0%CPEs: 11EXPL: 0CVE-2021-43527 – nss: Memory corruption in decodeECorDsaSignature with DSA signatures (and RSA-PSS)
https://notcve.org/view.php?id=CVE-2021-43527
NSS (Network Security Services) versions prior to 3.73 or 3.68.1 ESR are vulnerable to a heap overflow when handling DER-encoded DSA or RSA-PSS signatures. Applications using NSS for handling signatures encoded within CMS, S/MIME, PKCS \#7, or PKCS \#12 are likely to be impacted. Applications using NSS for certificate validation or other TLS, X.509, OCSP or CRL functionality may be impacted, depending on how they configure NSS. *Note: This vulnerability does NOT impact Mozilla Firefox.* However, email clients and PDF viewers that use NSS for signature verification, such as Thunderbird, LibreOffice, Evolution and Evince are believed to be impacted. This vulnerability affects NSS < 3.73 and NSS < 3.68.1. • https://bugzilla.mozilla.org/show_bug.cgi?id=1737470 https://cert-portal.siemens.com/productcert/pdf/ssa-594438.pdf https://ftp.mozilla.org/pub/security/nss/releases/NSS_3_68_1_RTM https://ftp.mozilla.org/pub/security/nss/releases/NSS_3_73_RTM https://security.gentoo.org/glsa/202212-05 https://security.netapp.com/advisory/ntap-20211229-0002 https://www.mozilla.org/security/advisories/mfsa2021-51 https://www.oracle.com/security-alerts/cpuapr2022.html https://www.starwindsoftw • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') CWE-787: Out-of-bounds Write •
CVSS: 9.1EPSS: 0%CPEs: 1EXPL: 0CVE-2020-12403 – nss: CHACHA20-POLY1305 decryption with undersized tag leads to out-of-bounds read
https://notcve.org/view.php?id=CVE-2020-12403
A flaw was found in the way CHACHA20-POLY1305 was implemented in NSS in versions before 3.55. 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. Se encontró un fallo en la manera en que se implementó CHACHA20-POLY1305 en NSS en versiones anteriores a 3.55. • https://bugzilla.redhat.com/show_bug.cgi?id=1868931 https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.55_release_notes https://lists.debian.org/debian-lts-announce/2023/02/msg00021.html https://security.netapp.com/advisory/ntap-20230324-0006 https://access.redhat.com/security/cve/CVE-2020-12403 • CWE-125: Out-of-bounds Read •
CVSS: 7.5EPSS: 2%CPEs: 104EXPL: 0CVE-2016-5285 – nss: Missing NULL check in PK11_SignWithSymKey / ssl3_ComputeRecordMACConstantTime causes server crash
https://notcve.org/view.php?id=CVE-2016-5285
A Null pointer dereference vulnerability exists in Mozilla Network Security Services due to a missing NULL check in PK11_SignWithSymKey / ssl3_ComputeRecordMACConstantTime, which could let a remote malicious user cause a Denial of Service. Existe una vulnerabilidad de desreferencia de puntero nulo en Mozilla Network Security Services debido a una falta de verificación NULL en PK11_SignWithSymKey / ssl3_ComputeRecordMACConstantTime, lo que podría permitir que un usuario malintencionado remoto cause una Denegación de servicio. A NULL pointer dereference flaw was found in the way NSS handled invalid Diffie-Hellman keys. A remote client could use this flaw to crash a TLS/SSL server using NSS. • http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00011.html http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00037.html http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00049.html http://rhn.redhat.com/errata/RHSA-2016-2779.html http://www.securityfocus.com/bid/94349 http://www.ubuntu.com/usn/USN-3163-1 https://bto.bluecoat.com/security-advisory/sa137 https://bugzilla.mozilla.org/show_bug.cgi?id=1306103 https://security.gentoo.org/glsa&#x • CWE-476: NULL Pointer Dereference •
CVSS: 6.5EPSS: 0%CPEs: 5EXPL: 0CVE-2016-1938
https://notcve.org/view.php?id=CVE-2016-1938
The s_mp_div function in lib/freebl/mpi/mpi.c in Mozilla Network Security Services (NSS) before 3.21, as used in Mozilla Firefox before 44.0, improperly divides numbers, which might make it easier for remote attackers to defeat cryptographic protection mechanisms by leveraging use of the (1) mp_div or (2) mp_exptmod function. La función s_mp_div en lib/freebl/mpi/mpi.c en Mozilla Network Security Services (NSS) en versiones anteriores a 3.21, como se utiliza en Mozilla Firefox en versiones anteriores a 44.0, no divide adecuadamente números, lo que podría hacer mas fácil para atacantes remotos vencer el mecanismo de protección criptográfico mediante el aprovechamiento del uso de la función (1) mp_div o (2) mp_exptmod. • http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00001.html http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00002.html http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00010.html http://www.debian.org/security/2016/dsa-3688 http://www.mozilla.org/security/announce/2016/mfsa2016-07.html http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html http://www.securityfocus.com/bid/81955 http://www.securityfocus.com/bid/91787 http:/&#x • CWE-310: Cryptographic Issues •