337:
the person making the request. When the victim would receive the talk request, the name of the person sending the request would be displayed on their screen. This would cause the terminal commands to execute, rendering the person's display unreadable until they reset it. Later versions of talk blocked flash attempts and alerted the user that one had taken place. Later it became clear that, by sending different terminal commands, it is even possible to have the user execute commands. As it has proven impossible to fix all programs that output untrusted data to the terminal, modern terminal emulators have been rewritten to block this attack, though some may still be vulnerable.
143:
1184:
39:
1206:
302:
used by the rest) that is more efficient and allows edition of the entire screen. All of these programs split the interface into different sections for each participant. The interfaces did not convey the order in which statements typed by different participants would be reassembled into a log of the
336:
A popular program called "flash", which sent malformed information via the talk protocol, was frequently used by pranksters to corrupt the terminal output of the unlucky target in the early 1990s. It did this by including terminal commands in the field normally designated for providing the name of
260:
keyboards were used at the time (11 characters per second maximum), users often could not wait for each other to finish. It was common etiquette for a long typing user to stop when intermingling occurred to see the listener's interrupting response. This is much the same as interrupting a long
315:. Users more familiar with other forms of instant text communication would sometimes find themselves in embarrassing situations by typing something and deciding to withdraw the statement, unaware that other participants of the conversation had seen every keystroke happen in real time.
290:. ytalk was the first of these to allow conversations between more than two users, and was written in part to allow communication between users on computers with different
256:. Early versions of talk did not separate text from each user. Thus, if each user were to type simultaneously, characters from each user were intermingled. Since slow
572:
1232:
409:
122:
56:
1237:
1197:
1192:
504:
245:
60:
103:
299:
75:
527:
307:, where they transmit each character as it was typed. This leads to a more immediate feel to the discussion than recent
262:
272:, and would also accommodate electronic conversations between users on different machines. Follow-ons to talk included
565:
82:
49:
1169:
1139:
1154:
425:
89:
249:
1210:
915:
584:
558:
550:
295:
71:
381:
346:
253:
1242:
1085:
1033:
173:
312:
758:
748:
180:
395:
511:. February 24, 2003. RHSA-2003:053-10, CVE-2003-0070, Red Hat Bugzilla 1616950. Archived from
308:
985:
890:
885:
160:
265:
to break the terminal into multiple zones for each user, thus avoiding intermingling text.
96:
1164:
1108:
1013:
717:
205:
program, originally allowing messaging only between the users logged on to one multi-user
142:
1103:
1038:
1023:
960:
920:
799:
763:
657:
528:"Gnome-Terminal Window Title Reporting Escape Sequence Command Execution Vulnerability"
304:
185:
151:
1226:
1144:
1005:
940:
712:
687:
588:
1118:
1018:
935:
930:
834:
743:
707:
662:
357:
147:
512:
1054:
1028:
965:
955:
945:
910:
900:
895:
778:
768:
722:
362:
257:
202:
38:
870:
829:
632:
602:
535:
291:
480:
1159:
1113:
1093:
990:
970:
925:
773:
697:
682:
667:
652:
647:
642:
637:
217:
169:
17:
1075:
855:
206:
880:
804:
319:
241:
865:
607:
351:
269:
268:
In 1983, a new version of talk was introduced as a Unix command with
209:—but later extended to allow chat to users on other systems.
1098:
995:
975:
905:
824:
727:
702:
677:
627:
622:
617:
612:
229:
221:
1149:
1123:
1059:
980:
875:
860:
819:
809:
753:
581:
199:
165:
554:
461:
443:
950:
850:
794:
692:
225:
213:
32:
261:
monologue when speaking in person. More modern versions use
672:
216:
and other modern systems, it is still included with most
505:"Updated vte packages fix gnome-terminal vulnerability"
240:
Similar facilities existed on earlier system such as
1132:
1084:
1068:
1047:
1004:
843:
787:
736:
595:
179:
159:
63:. Unsourced material may be challenged and removed.
526:Moore, H D; Digital Defense (July 11, 2009) .
566:
8:
135:
303:conversation. Also, all three programs are
154:, was popular in the 1980s and early 1990s.
1205:
573:
559:
551:
141:
134:
123:Learn how and when to remove this message
426:"[ih] Origin of 'talk' command"
374:
294:. utalk uses a special protocol over
7:
61:adding citations to reliable sources
462:"utalk – a UDP-based talk protocol"
150:Unix "talk", using a split screen
25:
1204:
1183:
1182:
37:
534:. CVE-2003-0070. Archived from
424:Day, John (December 19, 2002).
212:Although largely superseded by
48:needs additional citations for
1:
1233:Unix network-related software
481:"Marc's Place – VMS – Phone"
318:A similar program exists on
1259:
1178:
220:systems today, including
140:
284:and Roger Espel Llima's
509:Red Hat Customer Portal
1238:Unix SUS2008 utilities
1198:Unix SUS2008 utilities
1193:Standard Unix programs
585:command-line interface
347:List of Unix commands
27:Standard Unix utility
1086:Software development
538:on January 28, 2021.
466:utalk.ourproject.org
448:ytalk.ourproject.org
72:"Talk" software
57:improve this article
137:
1220:
1219:
515:on March 4, 2016.
309:instant messaging
191:
190:
133:
132:
125:
107:
16:(Redirected from
1250:
1208:
1207:
1186:
1185:
788:User environment
575:
568:
561:
552:
540:
539:
523:
517:
516:
501:
495:
494:
492:
491:
476:
470:
469:
458:
452:
451:
440:
434:
433:
430:internet-history
421:
415:
407:
401:
393:
387:
379:
327:
289:
283:
278:, Britt Yenne's
277:
197:
161:Operating system
145:
138:
128:
121:
117:
114:
108:
106:
65:
41:
33:
21:
1258:
1257:
1253:
1252:
1251:
1249:
1248:
1247:
1223:
1222:
1221:
1216:
1174:
1128:
1080:
1064:
1043:
1000:
844:Text processing
839:
783:
732:
591:
579:
549:
544:
543:
525:
524:
520:
503:
502:
498:
489:
487:
479:Vos, Marc H.E.
478:
477:
473:
460:
459:
455:
444:"YTalk – About"
442:
441:
437:
432:(Mailing list).
423:
422:
418:
408:
404:
394:
390:
380:
376:
371:
354:, a chat system
343:
334:
323:
322:systems called
285:
279:
273:
238:
193:
155:
129:
118:
112:
109:
66:
64:
54:
42:
30:
28:
23:
22:
15:
12:
11:
5:
1256:
1254:
1246:
1245:
1240:
1235:
1225:
1224:
1218:
1217:
1215:
1214:
1202:
1201:
1200:
1195:
1179:
1176:
1175:
1173:
1172:
1170:true and false
1167:
1162:
1157:
1152:
1147:
1142:
1136:
1134:
1130:
1129:
1127:
1126:
1121:
1116:
1111:
1106:
1101:
1096:
1090:
1088:
1082:
1081:
1079:
1078:
1072:
1070:
1066:
1065:
1063:
1062:
1057:
1051:
1049:
1045:
1044:
1042:
1041:
1036:
1031:
1026:
1021:
1016:
1010:
1008:
1006:Shell builtins
1002:
1001:
999:
998:
993:
988:
983:
978:
973:
968:
963:
958:
953:
948:
943:
938:
933:
928:
923:
918:
913:
908:
903:
898:
893:
888:
883:
878:
873:
868:
863:
858:
853:
847:
845:
841:
840:
838:
837:
832:
827:
822:
817:
812:
807:
802:
797:
791:
789:
785:
784:
782:
781:
776:
771:
766:
761:
756:
751:
746:
740:
738:
734:
733:
731:
730:
725:
720:
715:
710:
705:
700:
695:
690:
685:
680:
675:
670:
665:
660:
655:
650:
645:
640:
635:
630:
625:
620:
615:
610:
605:
599:
597:
593:
592:
589:shell builtins
580:
578:
577:
570:
563:
555:
548:
547:External links
545:
542:
541:
518:
496:
471:
453:
435:
416:
402:
388:
373:
372:
370:
367:
366:
365:
360:
355:
349:
342:
339:
333:
330:
305:real-time text
237:
234:
189:
188:
186:Cross-platform
183:
177:
176:
163:
157:
156:
152:user interface
146:
131:
130:
45:
43:
36:
26:
24:
14:
13:
10:
9:
6:
4:
3:
2:
1255:
1244:
1241:
1239:
1236:
1234:
1231:
1230:
1228:
1213:
1212:
1203:
1199:
1196:
1194:
1191:
1190:
1189:
1181:
1180:
1177:
1171:
1168:
1166:
1163:
1161:
1158:
1156:
1153:
1151:
1148:
1146:
1143:
1141:
1138:
1137:
1135:
1133:Miscellaneous
1131:
1125:
1122:
1120:
1117:
1115:
1112:
1110:
1107:
1105:
1102:
1100:
1097:
1095:
1092:
1091:
1089:
1087:
1083:
1077:
1074:
1073:
1071:
1069:Documentation
1067:
1061:
1058:
1056:
1053:
1052:
1050:
1046:
1040:
1037:
1035:
1032:
1030:
1027:
1025:
1022:
1020:
1017:
1015:
1012:
1011:
1009:
1007:
1003:
997:
994:
992:
989:
987:
984:
982:
979:
977:
974:
972:
969:
967:
964:
962:
959:
957:
954:
952:
949:
947:
944:
942:
939:
937:
934:
932:
929:
927:
924:
922:
919:
917:
914:
912:
909:
907:
904:
902:
899:
897:
894:
892:
889:
887:
884:
882:
879:
877:
874:
872:
869:
867:
864:
862:
859:
857:
854:
852:
849:
848:
846:
842:
836:
833:
831:
828:
826:
823:
821:
818:
816:
813:
811:
808:
806:
803:
801:
798:
796:
793:
792:
790:
786:
780:
777:
775:
772:
770:
767:
765:
762:
760:
757:
755:
752:
750:
747:
745:
742:
741:
739:
735:
729:
726:
724:
721:
719:
716:
714:
711:
709:
706:
704:
701:
699:
696:
694:
691:
689:
686:
684:
681:
679:
676:
674:
671:
669:
666:
664:
661:
659:
656:
654:
651:
649:
646:
644:
641:
639:
636:
634:
631:
629:
626:
624:
621:
619:
616:
614:
611:
609:
606:
604:
601:
600:
598:
594:
590:
587:programs and
586:
583:
576:
571:
569:
564:
562:
557:
556:
553:
546:
537:
533:
532:SecurityFocus
529:
522:
519:
514:
510:
506:
500:
497:
486:
482:
475:
472:
467:
463:
457:
454:
449:
445:
439:
436:
431:
427:
420:
417:
413:
412:
406:
403:
400:, freebsd.org
399:
398:
392:
389:
385:
384:
378:
375:
368:
364:
361:
359:
356:
353:
350:
348:
345:
344:
340:
338:
331:
329:
326:
321:
316:
314:
310:
306:
301:
297:
293:
288:
282:
276:
271:
266:
264:
259:
255:
251:
247:
243:
235:
233:
231:
227:
223:
219:
215:
210:
208:
204:
201:
196:
187:
184:
182:
178:
175:
171:
167:
164:
162:
158:
153:
149:
144:
139:
127:
124:
116:
105:
102:
98:
95:
91:
88:
84:
81:
77:
74: –
73:
69:
68:Find sources:
62:
58:
52:
51:
46:This article
44:
40:
35:
34:
31:
19:
1209:
1187:
814:
536:the original
531:
521:
513:the original
508:
499:
488:. Retrieved
485:marc.vos.net
484:
474:
465:
456:
447:
438:
429:
419:
410:
405:
396:
391:
386:, ubuntu.com
382:
377:
358:write (Unix)
335:
324:
317:
298:(instead of
286:
280:
274:
267:
239:
228:systems and
211:
194:
192:
148:Command-line
119:
110:
100:
93:
86:
79:
67:
55:Please help
50:verification
47:
29:
1243:Online chat
596:File system
414:, apple.com
363:wall (Unix)
311:clients or
258:teleprinter
113:August 2010
18:Talk (Unix)
1227:Categories
1188:Categories
490:2016-10-19
369:References
292:endianness
83:newspapers
1048:Searching
737:Processes
218:Unix-like
203:text chat
170:Unix-like
856:basename
411:man talk
397:man talk
383:man talk
341:See also
332:Security
207:computer
181:Platform
961:strings
881:dirname
805:logname
754:crontab
242:Multics
236:History
97:scholar
941:printf
866:csplit
608:chattr
352:Talker
270:4.2BSD
263:curses
252:, and
99:
92:
85:
78:
70:
1165:sleep
1119:strip
1099:ctags
1034:unset
1014:alias
996:xargs
976:troff
936:patch
931:paste
906:iconv
835:write
825:uname
728:umask
718:touch
708:split
703:rmdir
678:mkdir
663:fuser
628:cksum
623:chgrp
618:chown
613:chmod
325:phone
287:utalk
281:ytalk
275:ntalk
250:PLATO
230:macOS
222:Linux
198:is a
104:JSTOR
90:books
1211:List
1150:expr
1124:yacc
1109:make
1060:grep
1055:find
1039:wait
1029:test
1024:echo
981:uniq
966:tail
956:sort
946:read
921:more
911:join
901:head
896:fold
876:diff
861:comm
820:tput
815:talk
810:mesg
800:exit
779:time
769:nice
764:kill
723:type
658:file
582:Unix
246:CTSS
200:Unix
195:talk
166:Unix
136:talk
76:news
1145:cal
1104:lex
1076:man
951:sed
871:cut
851:awk
830:who
795:env
713:tee
693:pwd
688:pax
633:cmp
603:cat
320:VMS
313:IRC
300:TCP
296:UDP
254:NLS
226:BSD
214:IRC
59:by
1229::
1160:od
1155:lp
1140:bc
1114:nm
1094:ar
1019:cd
991:wc
986:vi
971:tr
926:nl
916:m4
891:ex
886:ed
774:ps
759:fg
749:bg
744:at
698:rm
683:mv
673:ls
668:ln
653:df
648:du
643:dd
638:cp
530:.
507:.
483:.
464:.
446:.
428:.
328:.
248:,
244:,
232:.
224:,
172:,
168:,
574:e
567:t
560:v
493:.
468:.
450:.
174:V
126:)
120:(
115:)
111:(
101:·
94:·
87:·
80:·
53:.
20:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
