VAR-200610-0173
Vulnerability from variot - Updated: 2025-04-10 23:19Cisco Secure Desktop (CSD) does not require that the ClearPageFileAtShutdown (aka CCE-Winv2.0-407) registry value equals 1, which might allow local users to read certain memory pages that were written during another user's SSL VPN session. Cisco Secure Desktop is prone to multiple information-disclosure vulnerabilities. Successfully exploiting these issues allows an attacker to gain access to potentially sensitive information; this may lead to other attacks. The following problems exist in the implementation of CSD, which may lead to the leakage of sensitive information related to SSL VPN sessions. Windows Page File Information Leakage Due to the way the Windows virtual memory subsystem operates, virtual physical memory used by any application, including in the Secure Desktop process space, may be written to the page file. The Windows page file stores the contents of the physical memory paged out without encryption, so data forensics tools can be used to recover the information paged out by the operating system. Due to this mechanism, CSD may not be able to delete all data generated and accessed in the SSL VPN session after the VPN session is terminated
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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
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- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
How durations are calculated
Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.
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