Buffer overflow in Gnu Adns
CVE-2017-9103
An issue was discovered in adns before 1.5.2. pap_mailbox822 does not properly check st from adns__findlabel_next. Without this, an uninitialised stack value can be used as the first label length. Depending on the circumstances, an attacke…
Vulnerability class: Buffer Overflow
EPSS: 0.021 (79.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Gnu Adns
- Fedoraproject Fedora — versions 31, 32
- Opensuse Leap — versions 15.1
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory, Release Notes)
- cve@mitre.org (x_refsource_CONFIRM)
- cve@mitre.org (vendor-advisory, x_refsource_FEDORA)
- cve@mitre.org (vendor-advisory, x_refsource_FEDORA)
Frequently asked questions
- What is CVE-2017-9103?
- CVE-2017-9103 is a critical-severity vulnerability in Gnu Adns, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2020-06-18.
- How severe is CVE-2017-9103?
- Critical severity. CVSS v3 base score is 9.8 out of 10.