Vulnerability identifier: #VU29282
Vulnerability risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-125
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
hunspell
Other software /
Other software solutions
Vendor: hunspell
Description
The vulnerability allows a remote attacker to gain access to potentially sensitive information or perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition within the SuggestMgr::leftcommonsubstring() function in suggestmgr.cxx. A remote attacker can trigger an out-of-bounds read error and read contents of memory on the system or perform a denial of service (DoS) attack.
Mitigation
Install update from vendor's website.
Vulnerable software versions
hunspell: 1.3.4 - 1.7.0
External links
http://github.com/butterflyhack/hunspell-crash
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/24NTBHK2QNYKSBMJI34WEU5MHS3H2FAI/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D2YOYFI36IWKABNGFTWXCH7TTGAFODH6/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LNTSVWI4SWBQL6XMXNGEH7EAQ45WN63G/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UD4AJ4M74VT3I6L37E4P5DNYZYBZIOVM/
http://github.com/hunspell/hunspell/releases/tag/v1.7.1
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.