RHSA-2019_3643
Vulnerability from csaf_redhat - Published: 2019-11-05 21:25 - Updated: 2024-11-22 13:25Summary
Red Hat Security Advisory: gettext security update
Severity
Low
Notes
Topic: An update for gettext is now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details: The gettext packages provide a documentation for producing multi-lingual messages in programs, set of conventions about how programs should be written, a runtime library, and a directory and file naming organization for the message catalogs.
Security Fix(es):
* gettext: double free in default_add_message in read-catalog.c (CVE-2018-18751)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.1 Release Notes linked from the References section.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
An issue was discovered in GNU gettext 0.19.8. There is a double free in default_add_message in read-catalog.c, related to an invalid free in po_gram_parse in po-gram-gen.y, as demonstrated by lt-msgfmt.
4.0 (Medium)
Vendor Fix
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:3643
References
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"name": "Use After Free"
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"discovery_date": "2018-10-29T00:00:00+00:00",
"ids": [
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"text": "1647043"
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"category": "description",
"text": "An issue was discovered in GNU gettext 0.19.8. There is a double free in default_add_message in read-catalog.c, related to an invalid free in po_gram_parse in po-gram-gen.y, as demonstrated by lt-msgfmt.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "gettext: double free in default_add_message in read-catalog.c",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue affects the versions of gettext as shipped with Red Hat Enterprise Linux 7.\n\nThis issue did not affect the versions of gettext as shipped with Red Hat Enterprise Linux 5 and 6.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2018-18751"
},
{
"category": "external",
"summary": "RHBZ#1647043",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1647043"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2018-18751",
"url": "https://www.cve.org/CVERecord?id=CVE-2018-18751"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2018-18751",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2018-18751"
}
],
"release_date": "2018-10-28T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2019-11-05T21:25:22+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"restart_required": {
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"url": "https://access.redhat.com/errata/RHSA-2019:3643"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "LOW",
"baseScore": 4.0,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"version": "3.0"
},
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],
"threats": [
{
"category": "impact",
"details": "Low"
}
],
"title": "gettext: double free in default_add_message in read-catalog.c"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
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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