According to its model number and software version, the remote host is a Xerox WorkCentre device that reportedly suffers from multiple issues in the ESS / Network Controller that could allow remote execution of arbitrary code on the affected device, initiation of denial of service attacks, and forgery of digital certificates.

A buffer overflow condition within the SSL_get_shared_ciphers() function and a DoS condition known as 'parasitic public keys' have been fixed. The later problem allowed attackers to trick the OpenSSL engine to spend an extraordinary amount of time to process public keys. The following CAN numbers have been assigned: CVE-2006-2937, CVE-2006-2940, CVE-2006-3738 and CVE-2006-4343.

Openssl recently had several vulnerabilities which were patched (CVE-2006-2937,2940,3738,4339, 4343). Some versions of ntp are built against a static copy of the SSL libraries. As a precaution an updated copy built against the new libraries in being made available.

Updated OpenSSL packages are now available to correct several security issues. 

This update has been rated as having important security impact by the Red Hat Security Response Team. 

The OpenSSL toolkit provides support for secure communications between machines.  OpenSSL includes a certificate management tool and shared libraries which provide various cryptographic algorithms and protocols. 

These vulnerabilities can affect applications which use OpenSSL to parse ASN.1 data from untrusted sources, including SSL servers which enable client authentication and S/MIME applications.

Users are advised to upgrade to these updated packages, which contain backported patches to correct these issues.

Note: After installing this update, users are advised to either restart all services that use OpenSSL or restart their system.


From Red Hat Security Advisory 2006:0695 :

Tavis Ormandy and Will Drewry of the Google Security Team discovered a buffer overflow in the SSL_get_shared_ciphers() utility function. An attacker could send a list of ciphers to an application that used this function and overrun a buffer (CVE-2006-3738). Few applications make use of this vulnerable function and generally it is used only when applications are compiled for debugging.

Tavis Ormandy and Will Drewry of the Google Security Team discovered a flaw in the SSLv2 client code. When a client application used OpenSSL to create an SSLv2 connection to a malicious server, that server could cause the client to crash. (CVE-2006-4343)

Dr S. N. Henson of the OpenSSL core team and Open Network Security recently developed an ASN.1 test suite for NISCC (www.niscc.gov.uk) which uncovered denial of service vulnerabilities :

* Certain public key types can take disproportionate amounts of time to process, leading to a denial of service. (CVE-2006-2940)

* During parsing of certain invalid ASN.1 structures an error condition was mishandled. This can result in an infinite loop which consumed system memory (CVE-2006-2937). This issue does not affect the OpenSSL version distributed in Red Hat Enterprise Linux 2.1.


From Red Hat Security Advisory 2006:0661 :

Daniel Bleichenbacher recently described an attack on PKCS #1 v1.5 signatures. Where an RSA key with exponent 3 is used it may be possible for an attacker to forge a PKCS #1 v1.5 signature that would be incorrectly verified by implementations that do not check for excess data in the RSA exponentiation result of the signature.

The Google Security Team discovered that OpenSSL is vulnerable to this attack. This issue affects applications that use OpenSSL to verify X.509 certificates as well as other uses of PKCS #1 v1.5.
(CVE-2006-4339)

This errata also resolves a problem where a customized ca-bundle.crt file was overwritten when the openssl package was upgraded.

The Rocky Linux 8.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ ciqsa-2026_0640 advisory.

    This advisory aggregates security fixes for the openssl SRPM in CIQ FIPS 8.10 Compliant. It addresses 27     CVEs: CVE-2006-4343, CVE-2007-3108, CVE-2022-4304, CVE-2023-0215, CVE-2006-2940, and 22 more.

Tenable has extracted the preceding description block directly from the CIQ 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 Rocky Linux 8.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ ciqsa-2026_0607 advisory.

    This advisory aggregates security fixes for the openssl SRPM in CIQ FIPS 8.10 Compliant. It addresses 27     CVEs: CVE-2006-4343, CVE-2007-3108, CVE-2022-4304, CVE-2023-0215, CVE-2006-2940, and 22 more.

Tenable has extracted the preceding description block directly from the CIQ 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 Rocky Linux 8.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ ciqsa-2026_0606 advisory.

    This advisory aggregates security fixes for the openssl SRPM in CIQ FIPS 8.10 Compliant. It addresses 27     CVEs: CVE-2006-2937, CVE-2006-2940, CVE-2006-3738, CVE-2006-4339, CVE-2006-4343, and 22 more.

Tenable has extracted the preceding description block directly from the CIQ 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	Published	Updated	Severity
25637	Xerox WorkCentre Multiple OpenSSL Vulnerabilities (XRX07-001)	Nessus	Misc.	7/1/2007	11/15/2018	high
27368	openSUSE 10 Security Update : openssl (openssl-2140)	Nessus	SuSE Local Security Checks	10/17/2007	1/14/2021	critical
24564	Mandrake Linux Security Advisory : ntp (MDKSA-2006:178)	Nessus	Mandriva Local Security Checks	2/18/2007	1/6/2021	critical
67405	Oracle Linux 4 : openssl (ELSA-2006-0695 / ELSA-2006-0661)	Nessus	Oracle Linux Local Security Checks	7/12/2013	1/14/2021	critical
353544	Rocky Linux 8.10 [CIQ] Security Update: openssl / openssl-debuginfo / openssl-debugsource / openssl-devel / etc Multiple Vulnerabilities (ciqsa-2026_0640)	Nessus	Rocky Linux Local Security Checks	10/1/2026	10/12/2026	high
353594	Rocky Linux 8.10 [CIQ] Security Update: openssl / openssl-debuginfo / openssl-debugsource / openssl-devel / etc Multiple Vulnerabilities (ciqsa-2026_0607)	Nessus	Rocky Linux Local Security Checks	10/1/2026	10/12/2026	high
357287	Rocky Linux 8.10 [CIQ] Security Update: openssl / openssl-devel / openssl-libs / openssl-perl / etc Multiple Vulnerabilities (ciqsa-2026_0606)	Nessus	Rocky Linux Local Security Checks	10/1/2026	10/2/2026	high

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