CVE-2017-5668

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-03-14 · updated 2026-06-17
Weakness: CWE-476

Description

bitlbee-libpurple before 3.5.1 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) and possibly execute arbitrary code via a file transfer request for a contact that is not in the contact list. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-10189.

Affected products

Bitlbee: through 3.4.2
Bitlbee-Libpurple: through 3.5

References

http://www.openwall.com/lists/oss-security/2017/01/30/4
http://www.openwall.com/lists/oss-security/2017/01/31/11
http://www.securityfocus.com/bid/95932
https://bugs.bitlbee.org/ticket/1282
https://github.com/bitlbee/bitlbee/commit/30d598ce7cd3f136ee9d7097f39fa9818a272441
http://www.openwall.com/lists/oss-security/2017/01/30/4
http://www.openwall.com/lists/oss-security/2017/01/31/11
http://www.securityfocus.com/bid/95932
https://bugs.bitlbee.org/ticket/1282
https://github.com/bitlbee/bitlbee/commit/30d598ce7cd3f136ee9d7097f39fa9818a272441

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