Qinghao Tang of QIHU 360 reports: The function lookupProviders() in sblim-sfcb of version 1.3.4 and 1.3.18 exists a null dereference vulnerability , a remote attacher can cause a denial of servise (sblim-sfcb crash) via a crafted packet without "className" info. Let`s see how this issue happened,the code below is from ./sblim-sfcb-1.3.18/providerMgr.c : static UtilList *lookupProviders(long type, char *className, char *nameSpace, CMPIStatus *st) { UtilList *lst; UtilHashTable **ht=provHt(type,1); char *id; int rc; _SFCB_ENTER(TRACE_PROVIDERMGR, "lookupProviders"); //here, className should be checked id=(char*)malloc(strlen(nameSpace)+strlen(className)+8); strcpy(id,nameSpace); strcat(id,"|"); ... }
Created sblim-sfcb tracking bugs for this issue: Affects: fedora-all [bug 1255802]
sblim-sfcb-1.4.9-4.fc23 has been submitted as an update to Fedora 23. https://bodhi.fedoraproject.org/updates/FEDORA-2015-14197
sblim-sfcb-1.4.9-2.fc22 has been submitted as an update to Fedora 22. https://bodhi.fedoraproject.org/updates/FEDORA-2015-14199
sblim-sfcb-1.4.8-5.fc21 has been submitted as an update to Fedora 21. https://bodhi.fedoraproject.org/updates/FEDORA-2015-14200
sblim-sfcb-1.4.9-4.fc23 has been pushed to the Fedora 23 testing repository. If problems still persist, please make note of it in this bug report.\nIf you want to test the update, you can install it with \n su -c 'yum --enablerepo=updates-testing update sblim-sfcb'. You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2015-14197
sblim-sfcb-1.4.8-5.fc21 has been pushed to the Fedora 21 testing repository. If problems still persist, please make note of it in this bug report.\nIf you want to test the update, you can install it with \n su -c 'yum --enablerepo=updates-testing update sblim-sfcb'. You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2015-14200
sblim-sfcb-1.4.9-2.fc22 has been pushed to the Fedora 22 testing repository. If problems still persist, please make note of it in this bug report.\nIf you want to test the update, you can install it with \n su -c 'yum --enablerepo=updates-testing update sblim-sfcb'. You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2015-14199
Acknowledgement: Red Hat would like to thank Qinghao Tang (QIHU 360) for reporting this issue.
Statement: This issue affects the versions of sblim-sfcb as shipped with Red Hat Enterprise Linux 6 and 7. Red Hat Product Security has rated this issue as having Moderate security impact. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
sblim-sfcb-1.4.9-4.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.
sblim-sfcb-1.4.9-2.fc22 has been pushed to the Fedora 22 stable repository. If problems still persist, please make note of it in this bug report.
sblim-sfcb-1.4.8-5.fc21 has been pushed to the Fedora 21 stable repository. If problems still persist, please make note of it in this bug report.