SB2022072821 - Multiple vulnerabilities in Dell AppSync
Published: July 28, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Cleartext transmission of sensitive information (CVE-ID: CVE-2021-22946)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to an error, related to incorrect enforcement of the --ssl-reqd option on the command line or CURLOPT_USE_SSL setting set to CURLUSESSL_CONTROL or CURLUSESSL_ALL with libcurl. A remote attacker with control over the IMAP, POP3 or FTP server can send a specially crafted but perfectly legitimate response to the libcurl client and force it silently to continue its operations without TLS encryption and transmit data in clear text over the network.
2) Integer overflow (CVE-ID: CVE-2022-25315)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow in storeRawNames function. A remote attacker can pass specially crafted data to the application, trigger integer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
3) Infinite loop (CVE-ID: CVE-2022-0778)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop within the BN_mod_sqrt() function when processing an ASN.1 certificate that contains elliptic curve public keys in compressed form or explicit elliptic curve parameters with a base point encoded in compressed form. A remote attacker can supply a specially crafted certificate to the TLS server or client, consume all available system resources and cause denial of service conditions.
Remediation
Install update from vendor's website.
References
- https://www.dell.com/support/kbdoc/nl-nl/000201907/dsa-2022-195-dell-appsync-security-update-for-multiple-vulnerabilities-in-embedded-service-enabler-ese-component-of-appsync"
- https://www.dell.com/support/kbdoc/nl-nl/000201907/dsa-2022-195-dell-appsync-security-update-for-multiple-vulnerabilities-in-embedded-service-enabler-ese-component-of-appsync</a><br>
- https://www.dell.com/support/kbdoc/en-us/000201907/dsa-2022-195-dell-appsync-security-update-for-multiple-vulnerabilities-in-embedded-service-enabler-ese-component-of-appsync<br><br></p>