cnvd-2019-07061
Vulnerability from cnvd
Title: libarchive双重释放漏洞
Description:
libarchive是一个多格式存档和压缩库。
libarchive commit 416694915449219d505531b1096384f3237dd6cc之后版本（3.1.0之后版本）中的libarchive/archive_read_support_format_rar.c文件（RAR解码器）的‘parse_codes()’函数的的‘realloc(rar->lzss.window, new_size)’函数存在双重释放漏洞，攻击者可利用该漏洞造成拒绝服务（崩溃）。
Severity: 中
Patch Name: libarchive双重释放漏洞的补丁
Patch Description:
libarchive是一个多格式存档和压缩库。
libarchive commit 416694915449219d505531b1096384f3237dd6cc之后版本（3.1.0之后版本）中的libarchive/archive_read_support_format_rar.c文件（RAR解码器）的‘parse_codes()’函数的的‘realloc(rar->lzss.window, new_size)’函数存在双重释放漏洞，攻击者可利用该漏洞造成拒绝服务（崩溃）。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:
厂商已发布了漏洞修复程序，请及时关注更新： https://github.com/libarchive/libarchive/pull/1105/commits/021efa522ad729ff0f5806c4ce53e4a6cc1daa31
Reference: https://bugs.launchpad.net/ubuntu/+source/libarchive/+bug/1794909
| Name | libarchive libarchive >=commit 416694915449219d505531b1096384f3237dd6cc(>=3.1.0) |
|---|
{
"cves": {
"cve": {
"cveNumber": "CVE-2018-1000877",
"cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000877"
}
},
"description": "libarchive\u662f\u4e00\u4e2a\u591a\u683c\u5f0f\u5b58\u6863\u548c\u538b\u7f29\u5e93\u3002\n\nlibarchive commit 416694915449219d505531b1096384f3237dd6cc\u4e4b\u540e\u7248\u672c\uff083.1.0\u4e4b\u540e\u7248\u672c\uff09\u4e2d\u7684libarchive/archive_read_support_format_rar.c\u6587\u4ef6\uff08RAR\u89e3\u7801\u5668\uff09\u7684\u2018parse_codes()\u2019\u51fd\u6570\u7684\u7684\u2018realloc(rar-\u003elzss.window, new_size)\u2019\u51fd\u6570\u5b58\u5728\u53cc\u91cd\u91ca\u653e\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u5d29\u6e83\uff09\u3002",
"discovererName": "Daniel Axtens",
"formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/libarchive/libarchive/pull/1105/commits/021efa522ad729ff0f5806c4ce53e4a6cc1daa31",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2019-07061",
"openTime": "2019-03-14",
"patchDescription": "libarchive\u662f\u4e00\u4e2a\u591a\u683c\u5f0f\u5b58\u6863\u548c\u538b\u7f29\u5e93\u3002\r\n\r\nlibarchive commit 416694915449219d505531b1096384f3237dd6cc\u4e4b\u540e\u7248\u672c\uff083.1.0\u4e4b\u540e\u7248\u672c\uff09\u4e2d\u7684libarchive/archive_read_support_format_rar.c\u6587\u4ef6\uff08RAR\u89e3\u7801\u5668\uff09\u7684\u2018parse_codes()\u2019\u51fd\u6570\u7684\u7684\u2018realloc(rar-\u003elzss.window, new_size)\u2019\u51fd\u6570\u5b58\u5728\u53cc\u91cd\u91ca\u653e\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u5d29\u6e83\uff09\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": "libarchive\u53cc\u91cd\u91ca\u653e\u6f0f\u6d1e\u7684\u8865\u4e01",
"products": {
"product": "libarchive libarchive \u003e=commit 416694915449219d505531b1096384f3237dd6cc(\u003e=3.1.0)"
},
"referenceLink": "https://bugs.launchpad.net/ubuntu/+source/libarchive/+bug/1794909",
"serverity": "\u4e2d",
"submitTime": "2018-12-24",
"title": "libarchive\u53cc\u91cd\u91ca\u653e\u6f0f\u6d1e"
}
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.