LAME 3.99.5 mpglib layer2.c II_step_one Audio File memory corruption
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
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4.9 | $0-$5k | 0.00 |
A vulnerability classified as critical has been found in LAME 3.99.5. Affected is the function II_step_one
of the file layer2.c of the component mpglib. The manipulation as part of a Audio File leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
The II_step_one function in layer2.c in mpglib, as used in libmpgdecoder.a in LAME 3.99.5 and other products, allows remote attackers to cause a denial of service (buffer over-read and application crash) via a crafted audio file.
The bug was discovered 06/17/2017. The weakness was presented 06/25/2017 by Agostino Sarubbo with Gentoo (Website). The advisory is available at exploit-db.com. This vulnerability is traded as CVE-2017-9869 since 06/25/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details and a public exploit are known.
A public exploit has been developed by Agostino Sarubbo and been published 1 days after the advisory. The exploit is shared for download at github.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 8 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 107048 (openSUSE Security Update : lame (openSUSE-2018-214)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 170898 (OpenSUSE Security Update for lame (openSUSE-SU-2018:0544-1)).
Upgrading eliminates this vulnerability. A possible mitigation has been published 9 months after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at Tenable (107048) and Exploit-DB (42258). See 102796, 102797, 102799 and 102800 for similar entries.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
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CVSSv3
VulDB Meta Base Score: 5.4VulDB Meta Temp Score: 5.1
VulDB Base Score: 5.3
VulDB Temp Score: 4.8
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NVD Base Score: 5.5
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CVSSv2
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Exploiting
Class: Memory corruptionCWE: CWE-119
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Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Agostino Sarubbo
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Nessus ID: 107048
Nessus Name: openSUSE Security Update : lame (openSUSE-2018-214)
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OpenVAS ID: 864288
OpenVAS Name: SuSE Update for lame openSUSE-SU-2018:0544-1 (lame)
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Threat Intelligence
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Countermeasures
Recommended: UpgradeStatus: 🔍
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Timeline
06/17/2017 🔍06/25/2017 🔍
06/25/2017 🔍
06/25/2017 🔍
06/26/2017 🔍
06/26/2017 🔍
06/26/2017 🔍
06/26/2017 🔍
02/26/2018 🔍
02/28/2018 🔍
10/20/2019 🔍
Sources
Advisory: exploit-db.comResearcher: Agostino Sarubbo
Organization: Gentoo
Status: Confirmed
CVE: CVE-2017-9869 (🔍)
SecurityFocus: 99272 - LAME CVE-2017-9869 Buffer Overflow Vulnerability
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍
Entry
Created: 06/26/2017 08:50Updated: 10/20/2019 17:24
Changes: 06/26/2017 08:50 (79), 10/20/2019 17:24 (13)
Complete: 🔍
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