LibEtPan up to 1.7 MIME low-level/imf/mailimf.c CC Header null pointer dereference
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.1 | $0-$5k | 0.00 |
A vulnerability was found in LibEtPan up to 1.7. It has been classified as problematic. This affects an unknown functionality of the file low-level/imf/mailimf.c of the component MIME Handler. The manipulation as part of a CC Header leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. The summary by CVE is:
A null dereference vulnerability has been found in the MIME handling component of LibEtPan before 1.8, as used in MailCore and MailCore 2. A crash can occur in low-level/imf/mailimf.c during a failed parse of a Cc header containing multiple e-mail addresses.
The bug was discovered 05/07/2017. The weakness was released 05/08/2017 (GitHub Repository). The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2017-8825 since 05/07/2017. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. 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. The vulnerability scanner Nessus provides a plugin with the ID 100081 (FreeBSD : libetpan -- null dereference vulnerability in MIME parsing component (57600032-34fe-11e7-8965-bcaec524bf84)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 170797 (OpenSUSE Security Update for libetpan (openSUSE-SU-2018:0099-1)).
Upgrading to version 1.8 eliminates this vulnerability. A possible mitigation has been published 1 days after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (100081).
Affected
- LibEtPan
- MailCore
Product
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
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CVSSv3
VulDB Meta Base Score: 6.4VulDB Meta Temp Score: 6.1
VulDB Base Score: 5.3
VulDB Temp Score: 4.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
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Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
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EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Nessus ID: 100081
Nessus Name: FreeBSD : libetpan -- null dereference vulnerability in MIME parsing component (57600032-34fe-11e7-8965-bcaec524bf84)
Nessus File: 🔍
Nessus Risk: 🔍
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Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: LibEtPan 1.8
Patch: github.com
Timeline
05/07/2017 🔍05/07/2017 🔍
05/08/2017 🔍
05/08/2017 🔍
05/09/2017 🔍
05/09/2017 🔍
05/10/2017 🔍
12/06/2022 🔍
Sources
Advisory: 1fe8fbc032ccda1db9af66d93016b49c16c1f22dStatus: Not defined
Confirmation: 🔍
CVE: CVE-2017-8825 (🔍)
OSVDB: - CVE-2017-8825 - Libetpan Project - Libetpan - Medium
Entry
Created: 05/09/2017 08:34Updated: 12/06/2022 08:25
Changes: 05/09/2017 08:34 (71), 09/24/2020 16:26 (4), 12/06/2022 08:25 (6)
Complete: 🔍
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