Multiple vulnerabilities in Exiv2

Published: 2019-08-19

Risk	Low
Patch available	YES
Number of vulnerabilities	8
CVE-ID	CVE-2019-14982 CVE-2019-13114 CVE-2019-13113 CVE-2019-13112 CVE-2019-13111 CVE-2019-13110 CVE-2019-13109 CVE-2019-13108
CWE-ID	CWE-190 CWE-476 CWE-617 CWE-399
Exploitation vector	Network
Public exploit	Public exploit code for vulnerability #1 is available. Public exploit code for vulnerability #2 is available. Public exploit code for vulnerability #3 is available. Public exploit code for vulnerability #4 is available. Public exploit code for vulnerability #5 is available. Public exploit code for vulnerability #6 is available.
Vulnerable software Subscribe	Exiv2 Universal components / Libraries / Libraries used by multiple products
Vendor	GNU

Security Bulletin

This security bulletin contains information about 8 vulnerabilities.

1) Integer overflow

EUVDB-ID: #VU20304

Risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C]

CVE-ID: CVE-2019-14982

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform denial of service attack.

The vulnerability exists due to integer overflow in the WebPImage::getHeaderOffset() function in webpimage.cpp. A remote attacker can pass a specially crafted file to the affected application, trigger integer overflow and crash the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Exiv2: 0.23 - 0.27.1

External links

http://github.com/Exiv2/exiv2/compare/v0.27.2-RC2...v0.27.2
http://github.com/Exiv2/exiv2/issues/960
http://github.com/Exiv2/exiv2/pull/962/commits/e925bc5addd881543fa503470c8a859e112cca62

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

2) NULL pointer dereference

EUVDB-ID: #VU20309

Risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C]

CVE-ID: CVE-2019-13114

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dreference error when parsing HTTP responses without a space character. A remote attacker can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Exiv2: 0.23 - 0.27.1

External links

http://github.com/Exiv2/exiv2/issues/793
http://github.com/Exiv2/exiv2/pull/815
http://usn.ubuntu.com/4056-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

3) Reachable Assertion

EUVDB-ID: #VU20308

Risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C]

CVE-ID: CVE-2019-13113

CWE-ID: CWE-617 - Reachable Assertion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a reachable assertion due to assertion failure) via an invalid data location in a CRW image file. A remote attacker can cause a denial of service (crash.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Exiv2: 0.23 - 0.27.1

External links

http://github.com/Exiv2/exiv2/issues/841
http://github.com/Exiv2/exiv2/pull/842
http://usn.ubuntu.com/4056-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

4) Resource management error

EUVDB-ID: #VU20307

Risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C]

CVE-ID: CVE-2019-13112

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform denial of service (DoS) attack.

The vulnerability exists due to memory allocation error in PngChunk::parseChunkContent() function. A remote attacker can create a specially crafted PNG image, pass it to the application and perform a denial of service attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Exiv2: 0.23 - 0.27.1

External links

http://github.com/Exiv2/exiv2/issues/845
http://github.com/Exiv2/exiv2/pull/846
http://usn.ubuntu.com/4056-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

5) Integer overflow

EUVDB-ID: #VU20306

Risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C]

CVE-ID: CVE-2019-13111

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform denial of service (DoS) attack.

The vulnerability exists due to integer overflow in WebPImage::decodeChunks() function. A remote attacker can create a specially crafted WEBP image, pass it to the application, trigger integer overflow and crash the affected application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Exiv2: 0.23 - 0.27.1

External links

http://github.com/Exiv2/exiv2/issues/791
http://github.com/Exiv2/exiv2/pull/797
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FGBT5OD2TF4AIXJUC56WOUJRHAZLZ4DC/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

6) Integer overflow

EUVDB-ID: #VU20305

Risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C]

CVE-ID: CVE-2019-13110

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform denial of service (DoS) attack.

The vulnerability exists due to integer overflow in CiffDirectory::readDirectory() function. A remote attacker can create a specially crafted CRW image, pass it to the application, trigger integer overflow and crash the affected application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Exiv2: 0.23 - 0.27.1

External links

http://github.com/Exiv2/exiv2/issues/843
http://github.com/Exiv2/exiv2/pull/844

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

7) Integer overflow

EUVDB-ID: #VU19510

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-13109

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to integer overflow in Exiv2 through 0.27.1 due to PngImage::readMetadata mishandles a chunkLength - iccOffset subtraction. A remote attacker can create a crafted PNG image file, trigger integer overflow and perform denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Exiv2: 0.27 - 0.27.1

External links

http://github.com/Exiv2/exiv2/issues/790
http://github.com/Exiv2/exiv2/pull/795

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

8) Integer overflow

EUVDB-ID: #VU19509

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-13108

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to integer overflow in Exiv2 through 0.27.1 due to PngImage::readMetadata mishandles a zero value for iccOffset. A remote attacker can create a crafted PNG image file, trigger integer overflow and perform denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Exiv2: 0.27 - 0.27.1

External links

http://github.com/Exiv2/exiv2/issues/789
http://github.com/Exiv2/exiv2/pull/794

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.