ASN1C 0.9.28 ASN1 File asn1fix_retrieve.c asn1f_lookup_symbol_impl memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in ASN1C 0.9.28. This affects the function asn1f_lookup_symbol_impl of the file asn1fix_retrieve.c of the component ASN1 File Handler. This manipulation causes memory corruption. This vulnerability appears as CVE-2017-12966. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in ASN1C 0.9.28. It has been declared as problematic. Affected by this vulnerability is the function asn1f_lookup_symbol_impl of the file asn1fix_retrieve.c of the component ASN1 File Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability. The summary by CVE is:

The asn1f_lookup_symbol_impl function in asn1fix_retrieve.c in libasn1fix.a in asn1c 0.9.28 allows remote attackers to cause a denial of service (segmentation fault) via a crafted .asn1 file.

The bug was discovered 08/19/2017. The weakness was presented 08/20/2017 (Website). The advisory is shared at drive.google.com. This vulnerability is known as CVE-2017-12966 since 08/19/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are known, 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.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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

08/19/2017 🔍
08/19/2017 +0 days 🔍
08/20/2017 +1 days 🔍
08/20/2017 +0 days 🔍
08/21/2017 +1 days 🔍
11/09/2019 +810 days 🔍

Sourcesinfo

Advisory: drive.google.com
Status: Not defined

CVE: CVE-2017-12966 (🔍)
GCVE (CVE): GCVE-0-2017-12966
GCVE (VulDB): GCVE-100-105613

Entryinfo

Created: 08/21/2017 09:02
Updated: 11/09/2019 13:27
Changes: 08/21/2017 09:02 (51), 11/09/2019 13:27 (7)
Complete: 🔍
Cache ID: 216::103

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