Search for vulnerabilities
| Vulnerability ID | VCID-7avt-gvth-aaan |
| Aliases |
CVE-2011-4862
|
| Summary | Buffer overflow in libtelnet/encrypt.c in telnetd in FreeBSD 7.3 through 9.0, MIT Kerberos Version 5 Applications (aka krb5-appl) 1.0.2 and earlier, Heimdal 1.5.1 and earlier, GNU inetutils, and possibly other products allows remote attackers to execute arbitrary code via a long encryption key, as exploited in the wild in December 2011. |
| Status | Published |
| Exploitability | 2.0 |
| Weighted Severity | 9.0 |
| Risk | 10.0 |
| Affected and Fixed Packages | Package Details |
| Data source | Metasploit |
|---|---|
| Description | This module exploits a buffer overflow in the encryption option handler of the Linux BSD-derived telnet service (inetutils or krb5-telnet). Most Linux distributions use NetKit-derived telnet daemons, so this flaw only applies to a small subset of Linux systems running telnetd. |
| Note | {}
|
| Ransomware campaign use | Unknown |
| Source publication date | Dec. 23, 2011 |
| Platform | Linux |
| Source URL | https://github.com/rapid7/metasploit-framework/tree/master/modules/exploits/linux/telnet/telnet_encrypt_keyid.rb |
| Data source | Exploit-DB |
|---|---|
| Date added | Dec. 26, 2011 |
| Description | TelnetD encrypt_keyid - Function Pointer Overwrite |
| Ransomware campaign use | Known |
| Source publication date | Dec. 26, 2011 |
| Exploit type | remote |
| Platform | linux |
| Source update date | Dec. 5, 2016 |
| Exploitability (E) | Access Vector (AV) | Access Complexity (AC) | Authentication (Au) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|
high functional unproven proof_of_concept not_defined |
local adjacent_network network |
high medium low |
multiple single none |
none partial complete |
none partial complete |
none partial complete |
| Percentile | 0.99739 |
| EPSS Score | 0.92585 |
| Published At | April 11, 2025, 12:55 p.m. |
| Date | Actor | Action | Source | VulnerableCode Version |
|---|---|---|---|---|
| There are no relevant records. | ||||