Live555 0.95 Content-Length Header handleRequestBytes HTTP Header integer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Live555 0.95. It has been declared as critical. The affected element is the function handleRequestBytes of the component Content-Length Header Handler. The manipulation as part of HTTP Header results in integer overflow. This vulnerability is reported as CVE-2019-7733. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability classified as critical has been found in Live555 0.95. Affected is the function handleRequestBytes of the component Content-Length Header Handler. The manipulation as part of a HTTP Header leads to a integer overflow vulnerability. CWE is classifying the issue as CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

In Live555 0.95, there is a buffer overflow via a large integer in a Content-Length HTTP header because handleRequestBytes has an unrestricted memmove.

The bug was discovered 02/10/2019. The weakness was disclosed 02/11/2019. This vulnerability is traded as CVE-2019-7733 since 02/11/2019. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entry VDB-130751 is pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/10/2019 🔍
02/11/2019 +1 days 🔍
02/11/2019 +0 days 🔍
02/11/2019 +0 days 🔍
07/09/2023 +1609 days 🔍

Sourcesinfo

Advisory: 21
Status: Not defined

CVE: CVE-2019-7733 (🔍)
GCVE (CVE): GCVE-0-2019-7733
GCVE (VulDB): GCVE-100-130752
See also: 🔍

Entryinfo

Created: 02/12/2019 00:10
Updated: 07/09/2023 12:11
Changes: 02/12/2019 00:10 (55), 05/09/2020 20:27 (1), 07/09/2023 12:11 (4)
Complete: 🔍
Cache ID: 216::103

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