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home:Alexander_Naumov:SLE-12:Update
LibVNCServer.17331
LibVNCServer-CVE-2018-20020.patch
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File LibVNCServer-CVE-2018-20020.patch of Package LibVNCServer.17331
Index: libvncserver-LibVNCServer-0.9.10/libvncclient/corre.c =================================================================== --- libvncserver-LibVNCServer-0.9.10.orig/libvncclient/corre.c 2019-01-03 12:38:57.453896187 +0100 +++ libvncserver-LibVNCServer-0.9.10/libvncclient/corre.c 2019-01-03 12:41:56.546759596 +0100 @@ -48,7 +48,7 @@ HandleCoRREBPP (rfbClient* client, int r FillRectangle(client, rx, ry, rw, rh, pix); - if (!ReadFromRFBServer(client, client->buffer, hdr.nSubrects * (4 + (BPP / 8)))) + if (hdr.nSubrects > RFB_BUFFER_SIZE / (4 + (BPP / 8)) || !ReadFromRFBServer(client, client->buffer, hdr.nSubrects * (4 + (BPP / 8)))) return FALSE; ptr = (uint8_t *)client->buffer;
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