CVE-2018-19591 (GCVE-0-2018-19591)
Vulnerability from cvelistv5 – Published: 2018-12-04 16:00 – Updated: 2025-12-03 19:13
VLAI
EPSS
VEX
Summary
In the GNU C Library (aka glibc or libc6) through 2.28, attempting to resolve a crafted hostname via getaddrinfo() leads to the allocation of a socket descriptor that is not closed. This is related to the if_nametoindex() function.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-404 - Improper Resource Shutdown or Release
Assigner
References
11 references
| URL | Tags |
|---|---|
| https://sourceware.org/git/?p=glibc.git%3Ba=blob_… | x_refsource_CONFIRM |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| http://www.securityfocus.com/bid/106037 | vdb-entryx_refsource_BID |
| https://sourceware.org/bugzilla/show_bug.cgi?id=23927 | x_refsource_CONFIRM |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://security.gentoo.org/glsa/201903-09 | vendor-advisoryx_refsource_GENTOO |
| http://www.securitytracker.com/id/1042174 | vdb-entryx_refsource_SECTRACK |
| https://sourceware.org/git/gitweb.cgi?p=glibc.git… | x_refsource_CONFIRM |
| https://security.netapp.com/advisory/ntap-2019032… | x_refsource_CONFIRM |
| https://security.gentoo.org/glsa/201908-06 | vendor-advisoryx_refsource_GENTOO |
| https://usn.ubuntu.com/4416-1/ | vendor-advisoryx_refsource_UBUNTU |
Date Public
2018-11-27 00:00
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}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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