Description

The posix_spawn_file_actions_addopen function in glibc before 2.20 does not copy its path argument in accordance with the POSIX specification, which allows context-dependent attackers to trigger use-after-free vulnerabilities.

References

http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00012.html

http://packetstormsecurity.com/files/153278/WAGO-852-Industrial-Managed-Switch-Series-Code-Execution-Hardcoded-Credentials.html

http://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.html

http://seclists.org/fulldisclosure/2019/Jun/18

http://seclists.org/fulldisclosure/2019/Sep/7

http://www.mandriva.com/security/advisories?name=MDVSA-2014:152

http://www.securityfocus.com/bid/68006

https://bugzilla.redhat.com/show_bug.cgi?id=1109263

https://exchange.xforce.ibmcloud.com/vulnerabilities/93784

https://seclists.org/bugtraq/2019/Jun/14

https://seclists.org/bugtraq/2019/Sep/7

https://security.gentoo.org/glsa/201503-04

https://sourceware.org/bugzilla/show_bug.cgi?id=17048

https://sourceware.org/git/gitweb.cgi?p=glibc.git;a=blobdiff;f=ChangeLog;h=3020b9ac232315df362521aeaf85f21cb9926db8;hp=d86e73963dd9fb5e21b1a28326630337226812aa;hb=89e435f3559c53084498e9baad22172b64429362;hpb=c3a2ebe1f7541cc35937621e08c28ff88afd0845

https://sourceware.org/git/gitweb.cgi?p=glibc.git;a=blobdiff;f=posix/spawn_faction_addopen.c;h=40800b8e6e81341501c0fb8a91009529e2048dec;hp=47f62425b696a4fdd511b2a057746322eb6518db;hb=89e435f3559c53084498e9baad22172b64429362;hpb=c3a2ebe1f7541cc35937621e08c28ff88afd0845

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=89e435f3559c53084498e9baad22172b64429362

Details

Risk Information

CVSS v2