CVE编号
CVE-2016-2851利用情况
EXP 已公开补丁情况
官方补丁披露时间
2016-04-08漏洞描述
libotr是加拿大软件开发者Ian Goldberg和OTR开发团队的一个加密即时消息传递库（Off-the-Record，OTR），它可在即时通讯上发起私密对话，并提供加密、认证等功能。libotr中存在整数溢出漏洞。远程攻击者可通过发送特制的消息利用该漏洞造成拒绝服务（应用程序崩溃），或执行任意代码。
解决建议
目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载：https://otr.cypherpunks.ca/
参考链接 |
|
|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00021.html | |
| http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00030.html | |
| http://seclists.org/fulldisclosure/2016/Mar/21 | |
| http://www.debian.org/security/2016/dsa-3512 | |
| http://www.securityfocus.com/archive/1/537745/100/0/threaded | |
| http://www.securityfocus.com/bid/84285 | |
| http://www.ubuntu.com/usn/USN-2926-1 | |
| https://lists.cypherpunks.ca/pipermail/otr-users/2016-March/002581.html | |
| https://security.gentoo.org/glsa/201701-10 | |
| https://www.exploit-db.com/exploits/39550/ | |
| https://www.x41-dsec.de/lab/advisories/x41-2016-001-libotr/ |
受影响软件情况
| # | 类型 | 厂商 | 产品 | 版本 | 影响面 | ||||
| 1 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 运行在以下环境 | |||||||||
| 应用 | cypherpunks | libotr | * |
Up to (including) 4.1.0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian | debian_linux | 7.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian | debian_linux | 8.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian | DPKG | * |
Up to (excluding) 4.1.1-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_7 | libotr | * |
Up to (excluding) 3.2.1-1+deb7u2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_8 | libotr | * |
Up to (excluding) 4.1.0-2+deb8u1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_22 | libotr | * |
Up to (excluding) 4.1.1-1.fc22 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_23 | libotr | * |
Up to (excluding) 4.1.1-1.fc23 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_24 | libotr | * |
Up to (excluding) 4.1.1-1.fc24 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse | leap | 42.1 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse | opensuse | 13.2 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_13.1 | libotr | * |
Up to (excluding) 4.0.0-5.7.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_13.2 | libotr | * |
Up to (excluding) 4.0.0-8.3.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_42.1 | libotr | * |
Up to (excluding) 4.1.1-4.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | sles_11_SP4 | libotr | * |
Up to (excluding) 3.2.0-10.5.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | sles_12 | libotr | * |
Up to (excluding) 4.0.0-9.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | sles_12 | libotr5 | * |
Up to (excluding) 4.0.0-9 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | sles_12_SP1 | libotr | * |
Up to (excluding) 4.0.0-9.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_11_SP4 | libotr | * |
Up to (excluding) 3.2.0-10.5.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12 | libotr | * |
Up to (excluding) 4.0.0-9.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP1 | libotr | * |
Up to (excluding) 4.0.0-9.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_12.04_lts | libotr | * |
Up to (excluding) 3.2.0-4ubuntu0.3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04_lts | libotr | * |
Up to (excluding) 4.0.0-2.2ubuntu1.1 |
|||||
- 攻击路径 远程
- 攻击复杂度 复杂
- 权限要求 无需权限
- 影响范围 全局影响
- EXP成熟度 EXP 已公开
- 补丁情况 官方补丁
- 数据保密性 数据泄露
- 数据完整性 传输被破坏
- 服务器危害 服务器失陷
- 全网数量 N/A
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