CNVD-2018-09825
Vulnerability from cnvd - Published: 2018-05-18
VLAI Severity ?
Title
FLAC内存泄露漏洞
Description
FLAC(Free Lossless Audio Codec)是Xiph.Org基金会的一款自由音频压缩编码,它的特点是可以对音频文件无损压缩。
FLAC 1.3.2版本中的‘read_metadata_vorbiscomment_()’函数(src/libFLAC/stream_decoder.c文件)存在安全漏洞。攻击者可借助特制的FLAC文件利用该漏洞造成内存泄露。
Severity
中
Patch Name
FLAC内存泄露漏洞的补丁
Patch Description
FLAC(Free Lossless Audio Codec)是Xiph.Org基金会的一款自由音频压缩编码,它的特点是可以对音频文件无损压缩。
FLAC 1.3.2版本中的‘read_metadata_vorbiscomment_()’函数(src/libFLAC/stream_decoder.c文件)存在安全漏洞。攻击者可借助特制的FLAC文件利用该漏洞造成内存泄露。目前,供应商发布了安全公告及相关补丁信息,修复了此漏洞。
Formal description
目前厂商已发布升级补丁以修复漏洞,补丁获取链接: https://git.xiph.org/?p=flac.git;a=commit;h=4f47b63e9c971e6391590caf00a0f2a5ed612e67
Reference
https://git.xiph.org/?p=flac.git;a=commit;h=4f47b63e9c971e6391590caf00a0f2a5ed612e67
Impacted products
| Name | X.Org FLAC 1.3.2 |
|---|
{
"cves": {
"cve": {
"cveNumber": "CVE-2017-6888",
"cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-6888"
}
},
"description": "FLAC\uff08Free Lossless Audio Codec\uff09\u662fXiph.Org\u57fa\u91d1\u4f1a\u7684\u4e00\u6b3e\u81ea\u7531\u97f3\u9891\u538b\u7f29\u7f16\u7801\uff0c\u5b83\u7684\u7279\u70b9\u662f\u53ef\u4ee5\u5bf9\u97f3\u9891\u6587\u4ef6\u65e0\u635f\u538b\u7f29\u3002\r\n\r\nFLAC 1.3.2\u7248\u672c\u4e2d\u7684\u2018read_metadata_vorbiscomment_()\u2019\u51fd\u6570\uff08src/libFLAC/stream_decoder.c\u6587\u4ef6\uff09\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684FLAC\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u5185\u5b58\u6cc4\u9732\u3002",
"discovererName": "unknwon",
"formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://git.xiph.org/?p=flac.git;a=commit;h=4f47b63e9c971e6391590caf00a0f2a5ed612e67",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2018-09825",
"openTime": "2018-05-18",
"patchDescription": "FLAC\uff08Free Lossless Audio Codec\uff09\u662fXiph.Org\u57fa\u91d1\u4f1a\u7684\u4e00\u6b3e\u81ea\u7531\u97f3\u9891\u538b\u7f29\u7f16\u7801\uff0c\u5b83\u7684\u7279\u70b9\u662f\u53ef\u4ee5\u5bf9\u97f3\u9891\u6587\u4ef6\u65e0\u635f\u538b\u7f29\u3002\r\n\r\nFLAC 1.3.2\u7248\u672c\u4e2d\u7684\u2018read_metadata_vorbiscomment_()\u2019\u51fd\u6570\uff08src/libFLAC/stream_decoder.c\u6587\u4ef6\uff09\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684FLAC\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u5185\u5b58\u6cc4\u9732\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
"patchName": "FLAC\u5185\u5b58\u6cc4\u9732\u6f0f\u6d1e\u7684\u8865\u4e01",
"products": {
"product": "X.Org FLAC 1.3.2"
},
"referenceLink": "https://git.xiph.org/?p=flac.git;a=commit;h=4f47b63e9c971e6391590caf00a0f2a5ed612e67",
"serverity": "\u4e2d",
"submitTime": "2018-05-16",
"title": "FLAC\u5185\u5b58\u6cc4\u9732\u6f0f\u6d1e"
}
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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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