The terminal dispatcher in mosh before 1.2.1 allows remote authenticated users to cause a denial of service (long loop and CPU consumption) via an escape sequence with a large repeat count value.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Mosh | Keith_winstein | * | 1.2-2 (including) |
| Mosh | Keith_winstein | 0.98c (including) | 0.98c (including) |
| Mosh | Keith_winstein | 1.0 (including) | 1.0 (including) |
| Mosh | Keith_winstein | 1.1 (including) | 1.1 (including) |
| Mosh | Keith_winstein | 1.1.1 (including) | 1.1.1 (including) |
| Mosh | Keith_winstein | 1.1.2 (including) | 1.1.2 (including) |
| Mosh | Keith_winstein | 1.1.3 (including) | 1.1.3 (including) |
| Mosh | Keith_winstein | 1.1.3-1 (including) | 1.1.3-1 (including) |
| Mosh | Keith_winstein | 1.1.3-2 (including) | 1.1.3-2 (including) |
| Mosh | Keith_winstein | 1.2 (including) | 1.2 (including) |
| Mosh | Ubuntu | precise | * |
| Mosh | Ubuntu | quantal | * |
| Mosh | Ubuntu | raring | * |
| Mosh | Ubuntu | saucy | * |
| Mosh | Ubuntu | upstream | * |
| Mosh | Ubuntu | utopic | * |
| Mosh | Ubuntu | vivid | * |
| Mosh | Ubuntu | wily | * |
References
- http://lists.fedoraproject.org/pipermail/package-announce/2012-June/082766.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-June/082814.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-June/082850.html
- http://secunia.com/advisories/49260
- http://www.openwall.com/lists/oss-security/2012/05/22/9
- http://www.securityfocus.com/bid/53646
- https://bugzilla.redhat.com/show_bug.cgi?id=823943
- https://exchange.xforce.ibmcloud.com/vulnerabilities/75779
- https://github.com/keithw/mosh/blob/master/ChangeLog
- https://github.com/keithw/mosh/commit/9791768705528e911bfca6c4d8aa88139035060e
- https://github.com/keithw/mosh/issues/271
- http://lists.fedoraproject.org/pipermail/package-announce/2012-June/082766.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-June/082814.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-June/082850.html
- http://secunia.com/advisories/49260
- http://www.openwall.com/lists/oss-security/2012/05/22/9
- http://www.securityfocus.com/bid/53646
- https://bugzilla.redhat.com/show_bug.cgi?id=823943
- https://exchange.xforce.ibmcloud.com/vulnerabilities/75779
- https://github.com/keithw/mosh/blob/master/ChangeLog
- https://github.com/keithw/mosh/commit/9791768705528e911bfca6c4d8aa88139035060e
- https://github.com/keithw/mosh/issues/271