CVE-2017-8073: WeeChat before 1.7.1 allows a remote crash by sending a filename via DCC to the IRC plugin

High severity · published Apr 23, 2017

CVE-2017-8073

WeeChat before 1.7.1 allows a remote crash by sending a filename via DCC to the IRC plugin

7.5

CVSS

3.1%

EPSS

On KEV

Description

WeeChat before 1.7.1 allows a remote crash by sending a filename via DCC to the IRC plugin. This occurs in the irc_ctcp_dcc_filename_without_quotes function during quote removal, with a buffer overflow.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack vector

Network

Complexity

Low

Privileges

None

User interaction

None

Confidentiality

None

Integrity

None

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)3.1% · higher than 88% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Debian Linux · Debian

8.0 · source: NVD

Weechat · Weechat

before 1.7.1 · source: NVD

Affected product

Debian Linux

Debian

All Debian Linux CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2017-8073

CVE.org

https://www.cve.org/CVERecord?id=CVE-2017-8073

Third Party Advisory

http://www.debian.org/security/2017/dsa-3836

Third Party Advisory

http://www.securityfocus.com/bid/97987

Patch

https://github.com/weechat/weechat/commit/2fb346f25f79e412cf0ed314fdf791763c19b70b

lists.fedoraproject.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ASRTCQFFDAAK347URWNDH6NSED2BGNY/

lists.fedoraproject.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ER23GT23US5JXDLUZAMGMWXKZ74MI4S2/

lists.fedoraproject.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M3LAJTLI3LWZRNCFYJ7PCBBTHUMCCBHH/