PT-2005-1082 · Red Hat · Red Hat Enterprise Linux Telnet-Server+2

Gaël Delalleau · Published 2005-06-14 · Updated 2020-01-21 · CVE-2005-0488

Positive Technologies (AI Summary)

CVSS v2.0

7.5

High

Base vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions Telnet clients versions (affected versions not specified) Red Hat Enterprise Linux telnet-server-0.17 Red Hat Enterprise Linux telnet-0.17

Description The issue allows remote malicious Telnet servers to read sensitive environment variables via the NEW-ENVIRON option with a SEND ENV USERVAR command. Exploitation of this issue can lead to a violation of confidentiality, integrity, and availability of protected information. The exploitation can be carried out remotely.

Recommendations For Telnet clients, consider disabling the NEW-ENVIRON option to prevent the sending of sensitive environment variables until a patch is available. For Red Hat Enterprise Linux telnet-server-0.17 and telnet-0.17, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Related Identifiers

BDU:2015-07619

BDU:2015-07620

CVE-2005-0488

RHSA-2005:562

RHSA-2005_504

RHSA-2005_562

Affected Products

Red Hat

Red Hat Enterprise Linux Telnet

Red Hat Enterprise Linux Telnet-Server

References · 33

• https://nvd.nist.gov/vuln/detail/CVE-2005-0488 · Security Note
• https://bdu.fstec.ru/vul/2015-07735 · Security Note
• http://sunsolve.sun.com/search/document.do?assetkey=1-26-57755-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2005-0488 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2005-0488 · Vendor Advisory
• https://bdu.fstec.ru/vul/2015-07734 · Security Note
• http://redhat.com/support/errata/RHSA-2005-504.html · Vendor Advisory
• http://idefense.com/application/poi/display?id=260&type=vulnerabilities · Vendor Advisory
• https://bdu.fstec.ru/vul/2015-07619 · Security Note
• http://redhat.com/support/errata/RHSA-2005-562.html · Vendor Advisory
• http://sunsolve.sun.com/search/document.do?assetkey=1-26-101665-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2005-0488 · Vendor Advisory
• http://lists.apple.com/archives/security-announce/2006//Aug/msg00000.html · Vendor Advisory
• http://novell.com/linux/security/advisories/2005_16_sr.html · Vendor Advisory
• http://kb.cert.org/vuls/id/800829 · Patch