rhsa-2003_079
Vulnerability from csaf_redhat
Published
2003-04-29 08:12
Modified
2024-09-12 22:04
Summary
Red Hat Security Advisory: : Updated zlib packages fix gzprintf buffer overflow vulnerability
Notes
Topic
Updated zlib packages are now available which fix a buffer overflow
vulnerability.
Details
Zlib is a general-purpose, patent-free, lossless data compression
library used by many different programs.
The function gzprintf within zlib, when called with a string longer than
Z_PRINTF_BUFZISE (= 4096 bytes), can overflow without giving a warning.
zlib-1.1.4 and earlier exhibit this behavior. There are no known exploits
of the gzprintf overrun, and only a few programs, including rpm2html
and gimp-print, are known to use the gzprintf function.
The problem has been fixed by checking the length of the output string
within gzprintf.
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.
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{
"category": "summary",
"text": "Updated zlib packages are now available which fix a buffer overflow\nvulnerability.",
"title": "Topic"
},
{
"category": "general",
"text": "Zlib is a general-purpose, patent-free, lossless data compression\nlibrary used by many different programs.\n\nThe function gzprintf within zlib, when called with a string longer than\nZ_PRINTF_BUFZISE (= 4096 bytes), can overflow without giving a warning. \n\nzlib-1.1.4 and earlier exhibit this behavior. There are no known exploits\nof the gzprintf overrun, and only a few programs, including rpm2html\nand gimp-print, are known to use the gzprintf function.\n\nThe problem has been fixed by checking the length of the output string\nwithin gzprintf.",
"title": "Details"
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"text": "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.",
"title": "Terms of Use"
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"url": "https://access.redhat.com/errata/RHSA-2003:079"
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{
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"summary": "84961",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=84961"
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"summary": "Canonical URL",
"url": "https://access.redhat.com/security/data/csaf/v2/advisories/2003/rhsa-2003_079.json"
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],
"title": "Red Hat Security Advisory: : Updated zlib packages fix gzprintf buffer overflow vulnerability",
"tracking": {
"current_release_date": "2024-09-12T22:04:45+00:00",
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"id": "RHSA-2003:079",
"initial_release_date": "2003-04-29T08:12:00+00:00",
"revision_history": [
{
"date": "2003-04-29T08:12:00+00:00",
"number": "1",
"summary": "Initial version"
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{
"date": "2003-04-29T00:00:00+00:00",
"number": "2",
"summary": "Last updated version"
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{
"date": "2024-09-12T22:04:45+00:00",
"number": "3",
"summary": "Last generated version"
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"status": "final",
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"product_tree": {
"branches": [
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"branches": [
{
"branches": [
{
"category": "product_name",
"name": "Red Hat Linux 7.1",
"product": {
"name": "Red Hat Linux 7.1",
"product_id": "Red Hat Linux 7.1",
"product_identification_helper": {
"cpe": "cpe:/o:redhat:linux:7.1"
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}
},
{
"category": "product_name",
"name": "Red Hat Linux 7.2",
"product": {
"name": "Red Hat Linux 7.2",
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},
{
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},
{
"category": "product_name",
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"product": {
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"cpe": "cpe:/o:redhat:linux:8.0"
}
}
}
],
"category": "product_family",
"name": "Red Hat Linux"
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],
"category": "vendor",
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},
"vulnerabilities": [
{
"cve": "CVE-2003-0107",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616967"
}
],
"notes": [
{
"category": "description",
"text": "Buffer overflow in the gzprintf function in zlib 1.1.4, when zlib is compiled without vsnprintf or when long inputs are truncated using vsnprintf, allows attackers to cause a denial of service or possibly execute arbitrary code.",
"title": "Vulnerability description"
},
{
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"text": "security flaw",
"title": "Vulnerability summary"
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},
{
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],
"release_date": "2003-02-22T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains the\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
"Red Hat Linux 7.1",
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"Red Hat Linux 7.3",
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],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:079"
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "security flaw"
}
]
}
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