Cisco NX-OS Software Data Forgery Issue Vulnerability (CNVD-2019-14715)

Cisco NX-OS Software is a set of data center-grade operating system software for switches from the U.S. company Cisco Cisco. A data forgery vulnerability exists in the Image Signature Verification feature in Cisco NX-OS Software. The vulnerability arises from a network system or product that does...

PT-2019-2415 · Cisco · Cisco Nx-Os +1

Name of the Vulnerable Software and Affected Versions: Cisco NX-OS Software affected versions not specified Description: A vulnerability in the Image Signature Verification feature could allow an authenticated, local attacker with administrator-level credentials to install a malicious software...

PT-2019-2215 · Cisco · Cisco Nexus 3000 Series +3

Name of the Vulnerable Software and Affected Versions: Cisco Nexus 3000 Series and 9000 Series Switches affected versions not specified Description: A vulnerability in the Image Signature Verification feature used in an NX-OS CLI command could allow an authenticated, local attacker with...

PT-2019-2211 · Cisco · Cisco Nx-Os +1

Name of the Vulnerable Software and Affected Versions: Cisco NX-OS Software affected versions not specified Description: A vulnerability in the Image Signature Verification feature could allow an authenticated, local attacker with administrator-level credentials to install a malicious software...

PT-2019-2214 · Cisco · Cisco Nx-Os +1

Name of the Vulnerable Software and Affected Versions: Cisco NX-OS Software affected versions not specified Description: The issue is related to incorrect verification of cryptographic signatures in the Image Signature Verification feature of Cisco NX-OS Software. This could allow an authenticate...

CVE-2019-1808: Improper Verification of Cryptographic Signature

A vulnerability in the Image Signature Verification feature of Cisco NX-OS Software could allow an authenticated, local attacker with administrator-level credentials to install a malicious software patch on an affected device. The vulnerability is due to improper verification of digital signature...

PT-2019-2212 · Cisco · Cisco Nx-Os +1

Name of the Vulnerable Software and Affected Versions: Cisco NX-OS Software affected versions not specified Description: The issue is related to incorrect verification of cryptographic signatures in the Image Signature Verification feature of Cisco NX-OS Software. This could allow an authenticate...

CVE-2019-1813: Improper Verification of Cryptographic Signature

A vulnerability in the Image Signature Verification feature of Cisco NX-OS Software could allow an authenticated, local attacker with administrator-level credentials to install a malicious software image on an affected device. The vulnerability exists because software digital signatures are not...

PT-2019-2213 · Cisco · Cisco Nx-Os +1

Name of the Vulnerable Software and Affected Versions: Cisco NX-OS Software affected versions not specified Description: A vulnerability in the Image Signature Verification feature could allow an authenticated, local attacker with administrator-level credentials to install a malicious software...

CVE-2019-1812: Improper Verification of Cryptographic Signature

A vulnerability in the Image Signature Verification feature of Cisco NX-OS Software could allow an authenticated, local attacker with administrator-level credentials to install a malicious software image on an affected device. The vulnerability exists because software digital signatures are not...

CVE-2019-1811: Improper Verification of Cryptographic Signature

A vulnerability in the Image Signature Verification feature of Cisco NX-OS Software could allow an authenticated, local attacker with administrator-level credentials to install a malicious software image on an affected device. The vulnerability exists because software digital signatures are not...

CVE-2019-1809: Improper Verification of Cryptographic Signature

A vulnerability in the Image Signature Verification feature of Cisco NX-OS Software could allow an authenticated, local attacker with administrator-level credentials to install a malicious software patch on an affected device. The vulnerability is due to improper verification of digital signature...

Signature Verification Bypass

Linux kernel is vulnerable to signature validation bypass attacks. This is because the root can gain direct access to an internal keyring, such as '.dnsresolver' in RHEL-7 or '.builtintrustedkeys' upstream, by joining it as its session keyring.Root user could bypass module signature verification ...

Over Dozen Popular Email Clients Found Vulnerable to Signature Spoofing Attacks

A team of security researchers has discovered several vulnerabilities in various implementations of OpenPGP and S/MIME email signature verification that could allow attackers to spoof signatures on over a dozen of popular email clients. The affected email clients include Thunderbird, Microsoft...

Code injection

A flaw during verification of certain S/MIME signatures causes emails to be shown in Thunderbird as having a valid digital signature, even if the shown message contents aren't covered by the signature. The flaw allows an attacker to reuse a valid S/MIME signature to craft an email message with...

CVE-2018-18509

CVE-2018-18509 is a S/MIME signature verification flaw in Mozilla Thunderbird that allows a remote attacker to reuse a valid S/MIME signature to craft emails with arbitrary content, making the message appear signed even though content isn’t covered by the signature. Affected products are Thunderb...

CVE-2018-18509

A flaw during verification of certain S/MIME signatures causes emails to be shown in Thunderbird as having a valid digital signature, even if the shown message contents aren't covered by the signature. The flaw allows an attacker to reuse a valid S/MIME signature to craft an email message with...

CVE-2018-18509

A flaw during verification of certain S/MIME signatures causes emails to be shown in Thunderbird as having a valid digital signature, even if the shown message contents aren't covered by the signature. The flaw allows an attacker to reuse a valid S/MIME signature to craft an email message with...

JWT Signature Verification Bypass

jwt-simple is vulnerable to signature verification bypass. A remote attacker is able to succeed in a JWT verification without specifying an algorithm in the decode function...

Signature Verification Bypass

Overview Versions of jwt-simple prior to 0.5.3 are vulnerable to Signature Verification Bypass. If no algorithm is specified in the decode function, the packages uses the algorithm in the JWT to decode tokens. This allows an attacker to create a HS256 symmetric algorithm JWT with the server's...